FAQ
HIVE-13529: Move around some of the classes created during llap branch work


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/7b9096a9
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/7b9096a9
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/7b9096a9

Branch: refs/heads/llap
Commit: 7b9096a922f9706909ba0e52d8188d182a79612f
Parents: fc7343d
Author: Jason Dere <jdere@hortonworks.com>
Authored: Fri Apr 15 16:45:32 2016 -0700
Committer: Jason Dere <jdere@hortonworks.com>
Committed: Fri Apr 15 16:45:32 2016 -0700

----------------------------------------------------------------------
  itests/hive-unit/pom.xml | 5 +
  .../hadoop/hive/jdbc/TestLlapInputSplit.java | 100 -----
  .../hive/llap/ext/TestLlapInputSplit.java | 100 +++++
  .../apache/hive/jdbc/TestJdbcWithMiniLlap.java | 4 +-
  .../apache/hive/jdbc/LlapBaseInputFormat.java | 135 ------
  .../src/java/org/apache/hive/jdbc/LlapDump.java | 164 --------
  .../org/apache/hive/jdbc/LlapInputSplit.java | 73 ----
  .../apache/hive/jdbc/LlapRowInputFormat.java | 34 --
  llap-client/pom.xml | 32 ++
  .../hadoop/hive/llap/LlapBaseRecordReader.java | 205 +++++++++
  .../hadoop/hive/llap/LlapInputFormat.java | 392 ++++++++++++++++++
  .../apache/hadoop/hive/llap/LlapInputSplit.java | 131 ++++++
  .../hadoop/hive/llap/LlapRowRecordReader.java | 155 +++++++
  .../apache/hadoop/hive/llap/SubmitWorkInfo.java | 103 +++++
  .../ext/LlapTaskUmbilicalExternalClient.java | 415 +++++++++++++++++++
  .../helpers/LlapTaskUmbilicalServer.java | 57 +++
  .../hadoop/hive/llap/LlapRowRecordReader.java | 155 -------
  llap-ext-client/pom.xml | 140 +++++++
  .../hadoop/hive/llap/LlapBaseInputFormat.java | 136 ++++++
  .../org/apache/hadoop/hive/llap/LlapDump.java | 165 ++++++++
  .../hadoop/hive/llap/LlapRowInputFormat.java | 36 ++
  .../apache/hive/llap/ext/LlapInputSplit.java | 73 ++++
  .../hadoop/hive/llap/LlapInputFormat.java | 392 ------------------
  .../ext/LlapTaskUmbilicalExternalClient.java | 415 -------------------
  .../helpers/LlapTaskUmbilicalServer.java | 57 ---
  pom.xml | 1 +
  .../hadoop/hive/llap/LlapBaseRecordReader.java | 205 ---------
  .../apache/hadoop/hive/llap/LlapInputSplit.java | 131 ------
  .../apache/hadoop/hive/llap/SubmitWorkInfo.java | 103 -----
  29 files changed, 2148 insertions(+), 1966 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/itests/hive-unit/pom.xml
----------------------------------------------------------------------
diff --git a/itests/hive-unit/pom.xml b/itests/hive-unit/pom.xml
index ae231de..b248673 100644
--- a/itests/hive-unit/pom.xml
+++ b/itests/hive-unit/pom.xml
@@ -61,6 +61,11 @@
      </dependency>
      <dependency>
        <groupId>org.apache.hive</groupId>
+ <artifactId>hive-llap-ext-client</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hive</groupId>
        <artifactId>hive-llap-server</artifactId>
        <version>${project.version}</version>
        <type>test-jar</type>

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/itests/hive-unit/src/test/java/org/apache/hadoop/hive/jdbc/TestLlapInputSplit.java
----------------------------------------------------------------------
diff --git a/itests/hive-unit/src/test/java/org/apache/hadoop/hive/jdbc/TestLlapInputSplit.java b/itests/hive-unit/src/test/java/org/apache/hadoop/hive/jdbc/TestLlapInputSplit.java
deleted file mode 100644
index 366e326..0000000
--- a/itests/hive-unit/src/test/java/org/apache/hadoop/hive/jdbc/TestLlapInputSplit.java
+++ /dev/null
@@ -1,100 +0,0 @@
-package org.apache.hive.jdbc;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.DataInputStream;
-import java.io.DataOutput;
-import java.io.DataOutputStream;
-import java.util.ArrayList;
-import java.util.HashMap;
-
-import org.apache.hadoop.io.Text;
-
-import org.apache.hadoop.hive.llap.Schema;
-import org.apache.hadoop.hive.llap.FieldDesc;
-import org.apache.hadoop.hive.llap.TypeDesc;
-
-import org.apache.hadoop.mapred.SplitLocationInfo;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.rules.ExpectedException;
-import static org.junit.Assert.*;
-
-public class TestLlapInputSplit {
-
- @Test
- public void testWritable() throws Exception {
- int splitNum = 88;
- byte[] planBytes = "0123456789987654321".getBytes();
- byte[] fragmentBytes = "abcdefghijklmnopqrstuvwxyz".getBytes();
- SplitLocationInfo[] locations = {
- new SplitLocationInfo("location1", false),
- new SplitLocationInfo("location2", false),
- };
-
- ArrayList<FieldDesc> colDescs = new ArrayList<FieldDesc>();
- colDescs.add(new FieldDesc("col1", new TypeDesc(TypeDesc.Type.STRING)));
- colDescs.add(new FieldDesc("col2", new TypeDesc(TypeDesc.Type.INT)));
- Schema schema = new Schema(colDescs);
-
- org.apache.hadoop.hive.llap.LlapInputSplit split1 = new org.apache.hadoop.hive.llap.LlapInputSplit(
- splitNum,
- planBytes,
- fragmentBytes,
- locations,
- schema,
- "hive");
- ByteArrayOutputStream byteOutStream = new ByteArrayOutputStream();
- DataOutputStream dataOut = new DataOutputStream(byteOutStream);
- split1.write(dataOut);
- ByteArrayInputStream byteInStream = new ByteArrayInputStream(byteOutStream.toByteArray());
- DataInputStream dataIn = new DataInputStream(byteInStream);
- org.apache.hadoop.hive.llap.LlapInputSplit split2 = new org.apache.hadoop.hive.llap.LlapInputSplit();
- split2.readFields(dataIn);
-
- // Did we read all the data?
- assertEquals(0, byteInStream.available());
-
- checkLlapSplits(split1, split2);
-
- // Try JDBC LlapInputSplits
- org.apache.hive.jdbc.LlapInputSplit<Text> jdbcSplit1 =
- new org.apache.hive.jdbc.LlapInputSplit<Text>(split1, "org.apache.hadoop.hive.llap.LlapInputFormat");
- byteOutStream.reset();
- jdbcSplit1.write(dataOut);
- byteInStream = new ByteArrayInputStream(byteOutStream.toByteArray());
- dataIn = new DataInputStream(byteInStream);
- org.apache.hive.jdbc.LlapInputSplit<Text> jdbcSplit2 = new org.apache.hive.jdbc.LlapInputSplit<Text>();
- jdbcSplit2.readFields(dataIn);
-
- assertEquals(0, byteInStream.available());
-
- checkLlapSplits(
- (org.apache.hadoop.hive.llap.LlapInputSplit) jdbcSplit1.getSplit(),
- (org.apache.hadoop.hive.llap.LlapInputSplit) jdbcSplit2.getSplit());
- assertEquals(jdbcSplit1.getInputFormat().getClass(), jdbcSplit2.getInputFormat().getClass());
- }
-
- static void checkLlapSplits(
- org.apache.hadoop.hive.llap.LlapInputSplit split1,
- org.apache.hadoop.hive.llap.LlapInputSplit split2) throws Exception {
-
- assertEquals(split1.getSplitNum(), split2.getSplitNum());
- assertArrayEquals(split1.getPlanBytes(), split2.getPlanBytes());
- assertArrayEquals(split1.getFragmentBytes(), split2.getFragmentBytes());
- SplitLocationInfo[] locationInfo1 = split1.getLocationInfo();
- SplitLocationInfo[] locationInfo2 = split2.getLocationInfo();
- for (int idx = 0; idx < locationInfo1.length; ++idx) {
- assertEquals(locationInfo1[idx].getLocation(), locationInfo2[idx].getLocation());
- assertEquals(locationInfo1[idx].isInMemory(), locationInfo2[idx].isInMemory());
- assertEquals(locationInfo1[idx].isOnDisk(), locationInfo2[idx].isOnDisk());
- }
- assertArrayEquals(split1.getLocations(), split2.getLocations());
- assertEquals(split1.getSchema().toString(), split2.getSchema().toString());
- assertEquals(split1.getLlapUser(), split2.getLlapUser());
- }
-
-}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/itests/hive-unit/src/test/java/org/apache/hadoop/hive/llap/ext/TestLlapInputSplit.java
----------------------------------------------------------------------
diff --git a/itests/hive-unit/src/test/java/org/apache/hadoop/hive/llap/ext/TestLlapInputSplit.java b/itests/hive-unit/src/test/java/org/apache/hadoop/hive/llap/ext/TestLlapInputSplit.java
new file mode 100644
index 0000000..04da17e
--- /dev/null
+++ b/itests/hive-unit/src/test/java/org/apache/hadoop/hive/llap/ext/TestLlapInputSplit.java
@@ -0,0 +1,100 @@
+package org.apache.hadoop.hive.llap.ext;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutput;
+import java.io.DataOutputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import org.apache.hadoop.io.Text;
+
+import org.apache.hadoop.hive.llap.Schema;
+import org.apache.hadoop.hive.llap.FieldDesc;
+import org.apache.hadoop.hive.llap.TypeDesc;
+
+import org.apache.hadoop.mapred.SplitLocationInfo;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import static org.junit.Assert.*;
+
+public class TestLlapInputSplit {
+
+ @Test
+ public void testWritable() throws Exception {
+ int splitNum = 88;
+ byte[] planBytes = "0123456789987654321".getBytes();
+ byte[] fragmentBytes = "abcdefghijklmnopqrstuvwxyz".getBytes();
+ SplitLocationInfo[] locations = {
+ new SplitLocationInfo("location1", false),
+ new SplitLocationInfo("location2", false),
+ };
+
+ ArrayList<FieldDesc> colDescs = new ArrayList<FieldDesc>();
+ colDescs.add(new FieldDesc("col1", new TypeDesc(TypeDesc.Type.STRING)));
+ colDescs.add(new FieldDesc("col2", new TypeDesc(TypeDesc.Type.INT)));
+ Schema schema = new Schema(colDescs);
+
+ org.apache.hadoop.hive.llap.LlapInputSplit split1 = new org.apache.hadoop.hive.llap.LlapInputSplit(
+ splitNum,
+ planBytes,
+ fragmentBytes,
+ locations,
+ schema,
+ "hive");
+ ByteArrayOutputStream byteOutStream = new ByteArrayOutputStream();
+ DataOutputStream dataOut = new DataOutputStream(byteOutStream);
+ split1.write(dataOut);
+ ByteArrayInputStream byteInStream = new ByteArrayInputStream(byteOutStream.toByteArray());
+ DataInputStream dataIn = new DataInputStream(byteInStream);
+ org.apache.hadoop.hive.llap.LlapInputSplit split2 = new org.apache.hadoop.hive.llap.LlapInputSplit();
+ split2.readFields(dataIn);
+
+ // Did we read all the data?
+ assertEquals(0, byteInStream.available());
+
+ checkLlapSplits(split1, split2);
+
+ // Try JDBC LlapInputSplits
+ org.apache.hive.llap.ext.LlapInputSplit<Text> jdbcSplit1 =
+ new org.apache.hive.llap.ext.LlapInputSplit<Text>(split1, "org.apache.hadoop.hive.llap.LlapInputFormat");
+ byteOutStream.reset();
+ jdbcSplit1.write(dataOut);
+ byteInStream = new ByteArrayInputStream(byteOutStream.toByteArray());
+ dataIn = new DataInputStream(byteInStream);
+ org.apache.hive.llap.ext.LlapInputSplit<Text> jdbcSplit2 = new org.apache.hive.llap.ext.LlapInputSplit<Text>();
+ jdbcSplit2.readFields(dataIn);
+
+ assertEquals(0, byteInStream.available());
+
+ checkLlapSplits(
+ (org.apache.hadoop.hive.llap.LlapInputSplit) jdbcSplit1.getSplit(),
+ (org.apache.hadoop.hive.llap.LlapInputSplit) jdbcSplit2.getSplit());
+ assertEquals(jdbcSplit1.getInputFormat().getClass(), jdbcSplit2.getInputFormat().getClass());
+ }
+
+ static void checkLlapSplits(
+ org.apache.hadoop.hive.llap.LlapInputSplit split1,
+ org.apache.hadoop.hive.llap.LlapInputSplit split2) throws Exception {
+
+ assertEquals(split1.getSplitNum(), split2.getSplitNum());
+ assertArrayEquals(split1.getPlanBytes(), split2.getPlanBytes());
+ assertArrayEquals(split1.getFragmentBytes(), split2.getFragmentBytes());
+ SplitLocationInfo[] locationInfo1 = split1.getLocationInfo();
+ SplitLocationInfo[] locationInfo2 = split2.getLocationInfo();
+ for (int idx = 0; idx < locationInfo1.length; ++idx) {
+ assertEquals(locationInfo1[idx].getLocation(), locationInfo2[idx].getLocation());
+ assertEquals(locationInfo1[idx].isInMemory(), locationInfo2[idx].isInMemory());
+ assertEquals(locationInfo1[idx].isOnDisk(), locationInfo2[idx].isOnDisk());
+ }
+ assertArrayEquals(split1.getLocations(), split2.getLocations());
+ assertEquals(split1.getSchema().toString(), split2.getSchema().toString());
+ assertEquals(split1.getLlapUser(), split2.getLlapUser());
+ }
+
+}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/itests/hive-unit/src/test/java/org/apache/hive/jdbc/TestJdbcWithMiniLlap.java
----------------------------------------------------------------------
diff --git a/itests/hive-unit/src/test/java/org/apache/hive/jdbc/TestJdbcWithMiniLlap.java b/itests/hive-unit/src/test/java/org/apache/hive/jdbc/TestJdbcWithMiniLlap.java
index deeac2e..5b4ba49 100644
--- a/itests/hive-unit/src/test/java/org/apache/hive/jdbc/TestJdbcWithMiniLlap.java
+++ b/itests/hive-unit/src/test/java/org/apache/hive/jdbc/TestJdbcWithMiniLlap.java
@@ -68,8 +68,8 @@ import org.apache.hadoop.io.Text;

  import org.apache.hive.jdbc.miniHS2.MiniHS2;
  import org.apache.hive.jdbc.miniHS2.MiniHS2.MiniClusterType;
-import org.apache.hive.jdbc.LlapBaseInputFormat;
-import org.apache.hive.jdbc.LlapRowInputFormat;
+import org.apache.hadoop.hive.llap.LlapBaseInputFormat;
+import org.apache.hadoop.hive.llap.LlapRowInputFormat;

  import org.datanucleus.ClassLoaderResolver;
  import org.datanucleus.NucleusContext;

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/jdbc/src/java/org/apache/hive/jdbc/LlapBaseInputFormat.java
----------------------------------------------------------------------
diff --git a/jdbc/src/java/org/apache/hive/jdbc/LlapBaseInputFormat.java b/jdbc/src/java/org/apache/hive/jdbc/LlapBaseInputFormat.java
deleted file mode 100644
index a0ddeaa..0000000
--- a/jdbc/src/java/org/apache/hive/jdbc/LlapBaseInputFormat.java
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hive.jdbc;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import java.sql.SQLException;
-import java.sql.Connection;
-import java.sql.ResultSet;
-import java.sql.Statement;
-import java.sql.DriverManager;
-
-import java.io.IOException;
-import java.io.DataInput;
-import java.io.DataOutput;
-import java.io.DataInputStream;
-import java.io.ByteArrayInputStream;
-
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.io.WritableComparable;
-import org.apache.hadoop.io.NullWritable;
-import org.apache.hadoop.io.Writable;
-import org.apache.hadoop.mapred.JobConf;
-import org.apache.hadoop.mapred.InputFormat;
-import org.apache.hadoop.mapred.InputSplit;
-import org.apache.hadoop.mapred.InputSplitWithLocationInfo;
-import org.apache.hadoop.mapred.SplitLocationInfo;
-import org.apache.hadoop.mapred.FileSplit;
-import org.apache.hadoop.mapred.RecordReader;
-import org.apache.hadoop.mapred.Reporter;
-import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.hadoop.security.token.Token;
-import org.apache.hadoop.security.token.TokenIdentifier;
-import org.apache.hadoop.util.Progressable;
-
-import com.google.common.base.Preconditions;
-
-public class LlapBaseInputFormat<V extends WritableComparable> implements InputFormat<NullWritable, V> {
-
- private static String driverName = "org.apache.hive.jdbc.HiveDriver";
- private String url; // "jdbc:hive2://localhost:10000/default"
- private String user; // "hive",
- private String pwd; // ""
- private String query;
-
- public static final String URL_KEY = "llap.if.hs2.connection";
- public static final String QUERY_KEY = "llap.if.query";
- public static final String USER_KEY = "llap.if.user";
- public static final String PWD_KEY = "llap.if.pwd";
-
- public final String SPLIT_QUERY = "select get_splits(\"%s\",%d)";
-
- private Connection con;
- private Statement stmt;
-
- public LlapBaseInputFormat(String url, String user, String pwd, String query) {
- this.url = url;
- this.user = user;
- this.pwd = pwd;
- this.query = query;
- }
-
- public LlapBaseInputFormat() {}
-
-
- @Override
- public RecordReader<NullWritable, V> getRecordReader(InputSplit split, JobConf job, Reporter reporter) throws IOException {
- LlapInputSplit llapSplit = (LlapInputSplit) split;
- return llapSplit.getInputFormat().getRecordReader(llapSplit.getSplit(), job, reporter);
- }
-
- @Override
- public InputSplit[] getSplits(JobConf job, int numSplits) throws IOException {
- List<InputSplit> ins = new ArrayList<InputSplit>();
-
- if (url == null) url = job.get(URL_KEY);
- if (query == null) query = job.get(QUERY_KEY);
- if (user == null) user = job.get(USER_KEY);
- if (pwd == null) pwd = job.get(PWD_KEY);
-
- if (url == null || query == null) {
- throw new IllegalStateException();
- }
-
- try {
- Class.forName(driverName);
- } catch (ClassNotFoundException e) {
- throw new IOException(e);
- }
-
- try {
- con = DriverManager.getConnection(url,user,pwd);
- stmt = con.createStatement();
- String sql = String.format(SPLIT_QUERY, query, numSplits);
- ResultSet res = stmt.executeQuery(sql);
- while (res.next()) {
- // deserialize split
- DataInput in = new DataInputStream(res.getBinaryStream(3));
- InputSplitWithLocationInfo is = (InputSplitWithLocationInfo)Class.forName(res.getString(2)).newInstance();
- is.readFields(in);
- ins.add(new LlapInputSplit(is, res.getString(1)));
- }
-
- res.close();
- stmt.close();
- } catch (Exception e) {
- throw new IOException(e);
- }
- return ins.toArray(new InputSplit[ins.size()]);
- }
-
- public void close() {
- try {
- con.close();
- } catch (Exception e) {
- // ignore
- }
- }
-}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/jdbc/src/java/org/apache/hive/jdbc/LlapDump.java
----------------------------------------------------------------------
diff --git a/jdbc/src/java/org/apache/hive/jdbc/LlapDump.java b/jdbc/src/java/org/apache/hive/jdbc/LlapDump.java
deleted file mode 100644
index 4c3c3ab..0000000
--- a/jdbc/src/java/org/apache/hive/jdbc/LlapDump.java
+++ /dev/null
@@ -1,164 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.hive.jdbc;
-
-import java.io.OutputStream;
-import java.io.InputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.FileInputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.LinkedList;
-import java.util.List;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.GnuParser;
-import org.apache.commons.cli.HelpFormatter;
-import org.apache.commons.cli.OptionBuilder;
-import org.apache.commons.cli.Options;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hive.ql.io.RCFile.Reader;
-import org.apache.hadoop.io.Writable;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.io.WritableComparable;
-import org.apache.hadoop.io.NullWritable;
-import org.apache.hadoop.util.ReflectionUtils;
-import org.apache.hadoop.mapred.RecordReader;
-import org.apache.hadoop.mapred.RecordWriter;
-import org.apache.hadoop.mapred.Reporter;
-import org.apache.hadoop.mapred.JobConf;
-import org.apache.hadoop.mapred.InputSplit;
-import org.apache.hadoop.hive.llap.io.api.LlapProxy;
-import org.apache.hadoop.hive.llap.LlapBaseRecordReader;
-import org.apache.hadoop.hive.llap.Schema;
-
-public class LlapDump {
-
- private static final Logger LOG = LoggerFactory.getLogger(LlapDump.class);
-
- private static String url = "jdbc:hive2://localhost:10000/default";
- private static String user = "hive";
- private static String pwd = "";
- private static String query = "select * from test";
- private static String numSplits = "1";
-
- public static void main(String[] args) throws Exception {
- Options opts = createOptions();
- CommandLine cli = new GnuParser().parse(opts, args);
-
- if (cli.hasOption('h')) {
- HelpFormatter formatter = new HelpFormatter();
- formatter.printHelp("orcfiledump", opts);
- return;
- }
-
- if (cli.hasOption('l')) {
- url = cli.getOptionValue("l");
- }
-
- if (cli.hasOption('u')) {
- user = cli.getOptionValue("u");
- }
-
- if (cli.hasOption('p')) {
- pwd = cli.getOptionValue("p");
- }
-
- if (cli.hasOption('n')) {
- numSplits = cli.getOptionValue("n");
- }
-
- if (cli.getArgs().length > 0) {
- query = cli.getArgs()[0];
- }
-
- System.out.println("url: "+url);
- System.out.println("user: "+user);
- System.out.println("query: "+query);
-
- LlapBaseInputFormat format = new LlapBaseInputFormat(url, user, pwd, query);
- JobConf job = new JobConf();
-
- InputSplit[] splits = format.getSplits(job, Integer.parseInt(numSplits));
-
- if (splits.length == 0) {
- System.out.println("No splits returned - empty scan");
- System.out.println("Results: ");
- } else {
- boolean first = true;
-
- for (InputSplit s: splits) {
- LOG.info("Processing input split s from " + Arrays.toString(s.getLocations()));
- RecordReader<NullWritable, Text> reader = format.getRecordReader(s, job, null);
-
- if (reader instanceof LlapBaseRecordReader && first) {
- Schema schema = ((LlapBaseRecordReader)reader).getSchema();
- System.out.println(""+schema);
- }
-
- if (first) {
- System.out.println("Results: ");
- System.out.println("");
- first = false;
- }
-
- Text value = reader.createValue();
- while (reader.next(NullWritable.get(), value)) {
- System.out.println(value);
- }
- }
- System.exit(0);
- }
- }
-
- static Options createOptions() {
- Options result = new Options();
-
- result.addOption(OptionBuilder
- .withLongOpt("location")
- .withDescription("HS2 url")
- .hasArg()
- .create('l'));
-
- result.addOption(OptionBuilder
- .withLongOpt("user")
- .withDescription("user name")
- .hasArg()
- .create('u'));
-
- result.addOption(OptionBuilder
- .withLongOpt("pwd")
- .withDescription("password")
- .hasArg()
- .create('p'));
-
- result.addOption(OptionBuilder
- .withLongOpt("num")
- .withDescription("number of splits")
- .hasArg()
- .create('n'));
-
- return result;
- }
-}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/jdbc/src/java/org/apache/hive/jdbc/LlapInputSplit.java
----------------------------------------------------------------------
diff --git a/jdbc/src/java/org/apache/hive/jdbc/LlapInputSplit.java b/jdbc/src/java/org/apache/hive/jdbc/LlapInputSplit.java
deleted file mode 100644
index 0f4fd4e..0000000
--- a/jdbc/src/java/org/apache/hive/jdbc/LlapInputSplit.java
+++ /dev/null
@@ -1,73 +0,0 @@
-package org.apache.hive.jdbc;
-
-import java.io.DataInput;
-import java.io.DataOutput;
-import java.io.IOException;
-
-import org.apache.hadoop.io.NullWritable;
-import org.apache.hadoop.io.WritableComparable;
-import org.apache.hadoop.mapred.InputFormat;
-import org.apache.hadoop.mapred.InputSplit;
-import org.apache.hadoop.mapred.InputSplitWithLocationInfo;
-import org.apache.hadoop.mapred.SplitLocationInfo;
-
-
-public class LlapInputSplit<V extends WritableComparable> implements InputSplitWithLocationInfo {
- InputSplitWithLocationInfo nativeSplit;
- String inputFormatClassName;
-
- public LlapInputSplit() {
- }
-
- public LlapInputSplit(InputSplitWithLocationInfo nativeSplit, String inputFormatClassName) {
- this.nativeSplit = nativeSplit;
- this.inputFormatClassName = inputFormatClassName;
- }
-
- @Override
- public long getLength() throws IOException {
- return nativeSplit.getLength();
- }
-
- @Override
- public String[] getLocations() throws IOException {
- return nativeSplit.getLocations();
- }
-
- @Override
- public void write(DataOutput out) throws IOException {
- out.writeUTF(inputFormatClassName);
- out.writeUTF(nativeSplit.getClass().getName());
- nativeSplit.write(out);
- }
-
- @Override
- public void readFields(DataInput in) throws IOException {
- inputFormatClassName = in.readUTF();
- String splitClass = in.readUTF();
- try {
- nativeSplit = (InputSplitWithLocationInfo)Class.forName(splitClass).newInstance();
- } catch (Exception e) {
- throw new IOException(e);
- }
- nativeSplit.readFields(in);
- }
-
- @Override
- public SplitLocationInfo[] getLocationInfo() throws IOException {
- return nativeSplit.getLocationInfo();
- }
-
- public InputSplit getSplit() {
- return nativeSplit;
- }
-
- public InputFormat<NullWritable, V> getInputFormat() throws IOException {
- try {
- return (InputFormat<NullWritable, V>) Class.forName(inputFormatClassName)
- .newInstance();
- } catch(Exception e) {
- throw new IOException(e);
- }
- }
-}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/jdbc/src/java/org/apache/hive/jdbc/LlapRowInputFormat.java
----------------------------------------------------------------------
diff --git a/jdbc/src/java/org/apache/hive/jdbc/LlapRowInputFormat.java b/jdbc/src/java/org/apache/hive/jdbc/LlapRowInputFormat.java
deleted file mode 100644
index 1cca66a..0000000
--- a/jdbc/src/java/org/apache/hive/jdbc/LlapRowInputFormat.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package org.apache.hive.jdbc;
-
-import java.io.IOException;
-
-import org.apache.hadoop.hive.llap.LlapBaseRecordReader;
-import org.apache.hadoop.hive.llap.LlapRowRecordReader;
-import org.apache.hadoop.hive.llap.Row;
-import org.apache.hadoop.hive.llap.Schema;
-
-import org.apache.hadoop.io.NullWritable;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.io.Writable;
-import org.apache.hadoop.mapred.JobConf;
-import org.apache.hadoop.mapred.InputFormat;
-import org.apache.hadoop.mapred.InputSplit;
-import org.apache.hadoop.mapred.RecordReader;
-import org.apache.hadoop.mapred.Reporter;
-
-public class LlapRowInputFormat implements InputFormat<NullWritable, Row> {
- LlapBaseInputFormat<Text> baseInputFormat = new LlapBaseInputFormat<Text>();
-
- @Override
- public InputSplit[] getSplits(JobConf job, int numSplits) throws IOException {
- return baseInputFormat.getSplits(job, numSplits);
- }
-
- @Override
- public RecordReader<NullWritable, Row> getRecordReader(InputSplit split, JobConf job, Reporter reporter)
- throws IOException {
- LlapInputSplit<Text> llapSplit = (LlapInputSplit<Text>) split;
- LlapBaseRecordReader<Text> reader = (LlapBaseRecordReader<Text>) baseInputFormat.getRecordReader(llapSplit, job, reporter);
- return new LlapRowRecordReader(job, reader.getSchema(), reader);
- }
-}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/pom.xml
----------------------------------------------------------------------
diff --git a/llap-client/pom.xml b/llap-client/pom.xml
index 50c06a4..4a75bbb 100644
--- a/llap-client/pom.xml
+++ b/llap-client/pom.xml
@@ -109,6 +109,38 @@
          </exclusion>
        </exclusions>
      </dependency>
+ <dependency>
+ <groupId>org.apache.tez</groupId>
+ <artifactId>tez-api</artifactId>
+ <version>${tez.version}</version>
+ <optional>true</optional>
+ <exclusions>
+ <exclusion>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-log4j12</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>commmons-logging</groupId>
+ <artifactId>commons-logging</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.tez</groupId>
+ <artifactId>tez-runtime-internals</artifactId>
+ <version>${tez.version}</version>
+ <optional>true</optional>
+ <exclusions>
+ <exclusion>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-log4j12</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>commmons-logging</groupId>
+ <artifactId>commons-logging</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
    </dependencies>
    <build>
      <sourceDirectory>${basedir}/src/java</sourceDirectory>

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/src/java/org/apache/hadoop/hive/llap/LlapBaseRecordReader.java
----------------------------------------------------------------------
diff --git a/llap-client/src/java/org/apache/hadoop/hive/llap/LlapBaseRecordReader.java b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapBaseRecordReader.java
new file mode 100644
index 0000000..7073280
--- /dev/null
+++ b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapBaseRecordReader.java
@@ -0,0 +1,205 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hive.llap;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.DataInputStream;
+import java.util.concurrent.LinkedBlockingQueue;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.llap.Schema;
+import org.apache.hadoop.io.Writable;
+import org.apache.hadoop.io.WritableComparable;
+import org.apache.hadoop.io.NullWritable;
+import org.apache.hadoop.util.ReflectionUtils;
+import org.apache.hadoop.mapred.RecordReader;
+import org.apache.hadoop.mapred.Reporter;
+import org.apache.hadoop.mapred.JobConf;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class LlapBaseRecordReader<V extends WritableComparable> implements RecordReader<NullWritable, V> {
+ private static final Logger LOG = LoggerFactory.getLogger(LlapBaseRecordReader.class);
+
+ DataInputStream din;
+ Schema schema;
+ Class<V> clazz;
+
+
+ protected Thread readerThread = null;
+ protected LinkedBlockingQueue<ReaderEvent> readerEvents = new LinkedBlockingQueue<ReaderEvent>();
+
+ public LlapBaseRecordReader(InputStream in, Schema schema, Class<V> clazz) {
+ din = new DataInputStream(in);
+ this.schema = schema;
+ this.clazz = clazz;
+ this.readerThread = Thread.currentThread();
+ }
+
+ public Schema getSchema() {
+ return schema;
+ }
+
+ @Override
+ public void close() throws IOException {
+ din.close();
+ }
+
+ @Override
+ public long getPos() { return 0; }
+
+ @Override
+ public float getProgress() { return 0f; }
+
+ @Override
+ public NullWritable createKey() {
+ return NullWritable.get();
+ }
+
+ @Override
+ public V createValue() {
+ try {
+ return clazz.newInstance();
+ } catch (Exception e) {
+ return null;
+ }
+ }
+
+ @Override
+ public boolean next(NullWritable key, V value) throws IOException {
+ try {
+ // Need a way to know what thread to interrupt, since this is a blocking thread.
+ setReaderThread(Thread.currentThread());
+
+ value.readFields(din);
+ return true;
+ } catch (EOFException eof) {
+ // End of input. There should be a reader event available, or coming soon, so okay to be blocking call.
+ ReaderEvent event = getReaderEvent();
+ switch (event.getEventType()) {
+ case DONE:
+ break;
+ default:
+ throw new IOException("Expected reader event with done status, but got "
+ + event.getEventType() + " with message " + event.getMessage());
+ }
+ return false;
+ } catch (IOException io) {
+ if (Thread.interrupted()) {
+ // Either we were interrupted by one of:
+ // 1. handleEvent(), in which case there is a reader event waiting for us in the queue
+ // 2. Some other unrelated cause which interrupted us, in which case there may not be a reader event coming.
+ // Either way we should not try to block trying to read the reader events queue.
+ if (readerEvents.isEmpty()) {
+ // Case 2.
+ throw io;
+ } else {
+ // Case 1. Fail the reader, sending back the error we received from the reader event.
+ ReaderEvent event = getReaderEvent();
+ switch (event.getEventType()) {
+ case ERROR:
+ throw new IOException("Received reader event error: " + event.getMessage());
+ default:
+ throw new IOException("Got reader event type " + event.getEventType() + ", expected error event");
+ }
+ }
+ } else {
+ // If we weren't interrupted, just propagate the error
+ throw io;
+ }
+ }
+ }
+
+ /**
+ * Define success/error events which are passed to the reader from a different thread.
+ * The reader will check for these events on end of input and interruption of the reader thread.
+ */
+ public static class ReaderEvent {
+ public enum EventType {
+ DONE,
+ ERROR
+ }
+
+ protected final EventType eventType;
+ protected final String message;
+
+ protected ReaderEvent(EventType type, String message) {
+ this.eventType = type;
+ this.message = message;
+ }
+
+ public static ReaderEvent doneEvent() {
+ return new ReaderEvent(EventType.DONE, "");
+ }
+
+ public static ReaderEvent errorEvent(String message) {
+ return new ReaderEvent(EventType.ERROR, message);
+ }
+
+ public EventType getEventType() {
+ return eventType;
+ }
+
+ public String getMessage() {
+ return message;
+ }
+ }
+
+ public void handleEvent(ReaderEvent event) {
+ switch (event.getEventType()) {
+ case DONE:
+ // Reader will check for the event queue upon the end of the input stream - no need to interrupt.
+ readerEvents.add(event);
+ break;
+ case ERROR:
+ readerEvents.add(event);
+ if (readerThread == null) {
+ throw new RuntimeException("Reader thread is unexpectedly null, during ReaderEvent error " + event.getMessage());
+ }
+ // Reader is using a blocking socket .. interrupt it.
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Interrupting reader thread due to reader event with error " + event.getMessage());
+ }
+ getReaderThread().interrupt();
+ break;
+ default:
+ throw new RuntimeException("Unhandled ReaderEvent type " + event.getEventType() + " with message " + event.getMessage());
+ }
+ }
+
+ protected ReaderEvent getReaderEvent() {
+ try {
+ ReaderEvent event = readerEvents.take();
+ return event;
+ } catch (InterruptedException ie) {
+ throw new RuntimeException("Interrupted while getting readerEvents, not expected", ie);
+ }
+ }
+
+ protected synchronized void setReaderThread(Thread readerThread) {
+ this.readerThread = readerThread;
+ }
+
+ protected synchronized Thread getReaderThread() {
+ return readerThread;
+ }
+}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputFormat.java
----------------------------------------------------------------------
diff --git a/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputFormat.java b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputFormat.java
new file mode 100644
index 0000000..0930d60
--- /dev/null
+++ b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputFormat.java
@@ -0,0 +1,392 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hive.llap;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.nio.ByteBuffer;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.LinkedBlockingQueue;
+
+import com.google.common.collect.Lists;
+import com.google.protobuf.ByteString;
+
+import org.apache.commons.collections4.ListUtils;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.llap.LlapBaseRecordReader.ReaderEvent;
+import org.apache.hadoop.hive.llap.daemon.rpc.LlapDaemonProtocolProtos.FragmentRuntimeInfo;
+import org.apache.hadoop.hive.llap.daemon.rpc.LlapDaemonProtocolProtos.SubmitWorkRequestProto;
+import org.apache.hadoop.hive.llap.ext.LlapTaskUmbilicalExternalClient;
+import org.apache.hadoop.hive.llap.ext.LlapTaskUmbilicalExternalClient.LlapTaskUmbilicalExternalResponder;
+import org.apache.hadoop.hive.llap.registry.ServiceInstance;
+import org.apache.hadoop.hive.llap.registry.ServiceInstanceSet;
+import org.apache.hadoop.hive.llap.registry.impl.LlapRegistryService;
+import org.apache.hadoop.hive.llap.tez.Converters;
+import org.apache.hadoop.io.DataInputBuffer;
+import org.apache.hadoop.io.DataOutputBuffer;
+import org.apache.hadoop.io.NullWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.WritableComparable;
+import org.apache.hadoop.mapred.InputFormat;
+import org.apache.hadoop.mapred.InputSplit;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.hadoop.mapred.RecordReader;
+import org.apache.hadoop.mapred.Reporter;
+import org.apache.hadoop.security.Credentials;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.yarn.api.ApplicationConstants;
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.tez.common.security.JobTokenIdentifier;
+import org.apache.tez.common.security.TokenCache;
+import org.apache.tez.runtime.api.events.TaskAttemptFailedEvent;
+import org.apache.tez.runtime.api.impl.TaskSpec;
+import org.apache.tez.runtime.api.impl.TezEvent;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.tez.dag.records.TezTaskAttemptID;
+import org.apache.tez.runtime.api.impl.EventType;
+import org.apache.tez.runtime.api.impl.TezEvent;
+import org.apache.tez.runtime.api.impl.TezHeartbeatRequest;
+import org.apache.tez.runtime.api.impl.TezHeartbeatResponse;
+
+
+public class LlapInputFormat<V extends WritableComparable> implements InputFormat<NullWritable, V> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(LlapInputFormat.class);
+
+ public LlapInputFormat() {
+ }
+
+ /*
+ * This proxy record reader has the duty of establishing a connected socket with LLAP, then fire
+ * off the work in the split to LLAP and finally return the connected socket back in an
+ * LlapRecordReader. The LlapRecordReader class reads the results from the socket.
+ */
+ @Override
+ public RecordReader<NullWritable, V> getRecordReader(InputSplit split, JobConf job,
+ Reporter reporter) throws IOException {
+
+ LlapInputSplit llapSplit = (LlapInputSplit) split;
+
+ // Set conf to use LLAP user rather than current user for LLAP Zk registry.
+ HiveConf.setVar(job, HiveConf.ConfVars.LLAP_ZK_REGISTRY_USER, llapSplit.getLlapUser());
+ SubmitWorkInfo submitWorkInfo = SubmitWorkInfo.fromBytes(llapSplit.getPlanBytes());
+
+ ServiceInstance serviceInstance = getServiceInstance(job, llapSplit);
+ String host = serviceInstance.getHost();
+ int llapSubmitPort = serviceInstance.getRpcPort();
+
+ LOG.info("Found service instance for host " + host + " with rpc port " + llapSubmitPort
+ + " and outputformat port " + serviceInstance.getOutputFormatPort());
+
+ LlapRecordReaderTaskUmbilicalExternalResponder umbilicalResponder =
+ new LlapRecordReaderTaskUmbilicalExternalResponder();
+ LlapTaskUmbilicalExternalClient llapClient =
+ new LlapTaskUmbilicalExternalClient(job, submitWorkInfo.getTokenIdentifier(),
+ submitWorkInfo.getToken(), umbilicalResponder);
+ llapClient.init(job);
+ llapClient.start();
+
+ SubmitWorkRequestProto submitWorkRequestProto =
+ constructSubmitWorkRequestProto(submitWorkInfo, llapSplit.getSplitNum(),
+ llapClient.getAddress(), submitWorkInfo.getToken());
+
+ TezEvent tezEvent = new TezEvent();
+ DataInputBuffer dib = new DataInputBuffer();
+ dib.reset(llapSplit.getFragmentBytes(), 0, llapSplit.getFragmentBytes().length);
+ tezEvent.readFields(dib);
+ List<TezEvent> tezEventList = Lists.newArrayList();
+ tezEventList.add(tezEvent);
+
+ llapClient.submitWork(submitWorkRequestProto, host, llapSubmitPort, tezEventList);
+
+ String id = HiveConf.getVar(job, HiveConf.ConfVars.HIVEQUERYID) + "_" + llapSplit.getSplitNum();
+
+ HiveConf conf = new HiveConf();
+ Socket socket = new Socket(host,
+ serviceInstance.getOutputFormatPort());
+
+ LOG.debug("Socket connected");
+
+ socket.getOutputStream().write(id.getBytes());
+ socket.getOutputStream().write(0);
+ socket.getOutputStream().flush();
+
+ LOG.info("Registered id: " + id);
+
+ LlapBaseRecordReader recordReader = new LlapBaseRecordReader(socket.getInputStream(), llapSplit.getSchema(), Text.class);
+ umbilicalResponder.setRecordReader(recordReader);
+ return recordReader;
+ }
+
+ @Override
+ public InputSplit[] getSplits(JobConf job, int numSplits) throws IOException {
+ throw new IOException("These are not the splits you are looking for.");
+ }
+
+ private ServiceInstance getServiceInstance(JobConf job, LlapInputSplit llapSplit) throws IOException {
+ LlapRegistryService registryService = LlapRegistryService.getClient(job);
+ String host = llapSplit.getLocations()[0];
+
+ ServiceInstance serviceInstance = getServiceInstanceForHost(registryService, host);
+ if (serviceInstance == null) {
+ throw new IOException("No service instances found for " + host + " in registry");
+ }
+
+ return serviceInstance;
+ }
+
+ private ServiceInstance getServiceInstanceForHost(LlapRegistryService registryService, String host) throws IOException {
+ InetAddress address = InetAddress.getByName(host);
+ ServiceInstanceSet instanceSet = registryService.getInstances();
+ ServiceInstance serviceInstance = null;
+
+ // The name used in the service registry may not match the host name we're using.
+ // Try hostname/canonical hostname/host address
+
+ String name = address.getHostName();
+ LOG.info("Searching service instance by hostname " + name);
+ serviceInstance = selectServiceInstance(instanceSet.getByHost(name));
+ if (serviceInstance != null) {
+ return serviceInstance;
+ }
+
+ name = address.getCanonicalHostName();
+ LOG.info("Searching service instance by canonical hostname " + name);
+ serviceInstance = selectServiceInstance(instanceSet.getByHost(name));
+ if (serviceInstance != null) {
+ return serviceInstance;
+ }
+
+ name = address.getHostAddress();
+ LOG.info("Searching service instance by address " + name);
+ serviceInstance = selectServiceInstance(instanceSet.getByHost(name));
+ if (serviceInstance != null) {
+ return serviceInstance;
+ }
+
+ return serviceInstance;
+ }
+
+ private ServiceInstance selectServiceInstance(Set<ServiceInstance> serviceInstances) {
+ if (serviceInstances == null || serviceInstances.isEmpty()) {
+ return null;
+ }
+
+ // Get the first live service instance
+ for (ServiceInstance serviceInstance : serviceInstances) {
+ if (serviceInstance.isAlive()) {
+ return serviceInstance;
+ }
+ }
+
+ LOG.info("No live service instances were found");
+ return null;
+ }
+
+ private SubmitWorkRequestProto constructSubmitWorkRequestProto(SubmitWorkInfo submitWorkInfo,
+ int taskNum,
+ InetSocketAddress address,
+ Token<JobTokenIdentifier> token) throws
+ IOException {
+ TaskSpec taskSpec = submitWorkInfo.getTaskSpec();
+ ApplicationId appId = submitWorkInfo.getFakeAppId();
+
+ SubmitWorkRequestProto.Builder builder = SubmitWorkRequestProto.newBuilder();
+ // This works, assuming the executor is running within YARN.
+ LOG.info("Setting user in submitWorkRequest to: " +
+ System.getenv(ApplicationConstants.Environment.USER.name()));
+ builder.setUser(System.getenv(ApplicationConstants.Environment.USER.name()));
+ builder.setApplicationIdString(appId.toString());
+ builder.setAppAttemptNumber(0);
+ builder.setTokenIdentifier(appId.toString());
+
+ ContainerId containerId =
+ ContainerId.newInstance(ApplicationAttemptId.newInstance(appId, 0), taskNum);
+ builder.setContainerIdString(containerId.toString());
+
+ builder.setAmHost(address.getHostName());
+ builder.setAmPort(address.getPort());
+ Credentials taskCredentials = new Credentials();
+ // Credentials can change across DAGs. Ideally construct only once per DAG.
+ // TODO Figure out where credentials will come from. Normally Hive sets up
+ // URLs on the tez dag, for which Tez acquires credentials.
+
+ // taskCredentials.addAll(getContext().getCredentials());
+
+ // Preconditions.checkState(currentQueryIdentifierProto.getDagIdentifier() ==
+ // taskSpec.getTaskAttemptID().getTaskID().getVertexID().getDAGId().getId());
+ // ByteBuffer credentialsBinary = credentialMap.get(currentQueryIdentifierProto);
+ // if (credentialsBinary == null) {
+ // credentialsBinary = serializeCredentials(getContext().getCredentials());
+ // credentialMap.putIfAbsent(currentQueryIdentifierProto, credentialsBinary.duplicate());
+ // } else {
+ // credentialsBinary = credentialsBinary.duplicate();
+ // }
+ // builder.setCredentialsBinary(ByteString.copyFrom(credentialsBinary));
+ Credentials credentials = new Credentials();
+ TokenCache.setSessionToken(token, credentials);
+ ByteBuffer credentialsBinary = serializeCredentials(credentials);
+ builder.setCredentialsBinary(ByteString.copyFrom(credentialsBinary));
+
+
+ builder.setFragmentSpec(Converters.convertTaskSpecToProto(taskSpec));
+
+ FragmentRuntimeInfo.Builder runtimeInfo = FragmentRuntimeInfo.newBuilder();
+ runtimeInfo.setCurrentAttemptStartTime(System.currentTimeMillis());
+ runtimeInfo.setWithinDagPriority(0);
+ runtimeInfo.setDagStartTime(submitWorkInfo.getCreationTime());
+ runtimeInfo.setFirstAttemptStartTime(submitWorkInfo.getCreationTime());
+ runtimeInfo.setNumSelfAndUpstreamTasks(taskSpec.getVertexParallelism());
+ runtimeInfo.setNumSelfAndUpstreamCompletedTasks(0);
+
+
+ builder.setUsingTezAm(false);
+ builder.setFragmentRuntimeInfo(runtimeInfo.build());
+ return builder.build();
+ }
+
+ private ByteBuffer serializeCredentials(Credentials credentials) throws IOException {
+ Credentials containerCredentials = new Credentials();
+ containerCredentials.addAll(credentials);
+ DataOutputBuffer containerTokens_dob = new DataOutputBuffer();
+ containerCredentials.writeTokenStorageToStream(containerTokens_dob);
+ return ByteBuffer.wrap(containerTokens_dob.getData(), 0, containerTokens_dob.getLength());
+ }
+
+ private static class LlapRecordReaderTaskUmbilicalExternalResponder implements LlapTaskUmbilicalExternalResponder {
+ protected LlapBaseRecordReader recordReader = null;
+ protected LinkedBlockingQueue<ReaderEvent> queuedEvents = new LinkedBlockingQueue<ReaderEvent>();
+
+ public LlapRecordReaderTaskUmbilicalExternalResponder() {
+ }
+
+ @Override
+ public void submissionFailed(String fragmentId, Throwable throwable) {
+ try {
+ sendOrQueueEvent(ReaderEvent.errorEvent(
+ "Received submission failed event for fragment ID " + fragmentId));
+ } catch (Exception err) {
+ LOG.error("Error during heartbeat responder:", err);
+ }
+ }
+
+ @Override
+ public void heartbeat(TezHeartbeatRequest request) {
+ TezTaskAttemptID taskAttemptId = request.getCurrentTaskAttemptID();
+ List<TezEvent> inEvents = request.getEvents();
+ for (TezEvent tezEvent : ListUtils.emptyIfNull(inEvents)) {
+ EventType eventType = tezEvent.getEventType();
+ try {
+ switch (eventType) {
+ case TASK_ATTEMPT_COMPLETED_EVENT:
+ sendOrQueueEvent(ReaderEvent.doneEvent());
+ break;
+ case TASK_ATTEMPT_FAILED_EVENT:
+ TaskAttemptFailedEvent taskFailedEvent = (TaskAttemptFailedEvent) tezEvent.getEvent();
+ sendOrQueueEvent(ReaderEvent.errorEvent(taskFailedEvent.getDiagnostics()));
+ break;
+ case TASK_STATUS_UPDATE_EVENT:
+ // If we want to handle counters
+ break;
+ default:
+ LOG.warn("Unhandled event type " + eventType);
+ break;
+ }
+ } catch (Exception err) {
+ LOG.error("Error during heartbeat responder:", err);
+ }
+ }
+ }
+
+ @Override
+ public void taskKilled(TezTaskAttemptID taskAttemptId) {
+ try {
+ sendOrQueueEvent(ReaderEvent.errorEvent(
+ "Received task killed event for task ID " + taskAttemptId));
+ } catch (Exception err) {
+ LOG.error("Error during heartbeat responder:", err);
+ }
+ }
+
+ @Override
+ public void heartbeatTimeout(String taskAttemptId) {
+ try {
+ sendOrQueueEvent(ReaderEvent.errorEvent(
+ "Timed out waiting for heartbeat for task ID " + taskAttemptId));
+ } catch (Exception err) {
+ LOG.error("Error during heartbeat responder:", err);
+ }
+ }
+
+ public synchronized LlapBaseRecordReader getRecordReader() {
+ return recordReader;
+ }
+
+ public synchronized void setRecordReader(LlapBaseRecordReader recordReader) {
+ this.recordReader = recordReader;
+
+ if (recordReader == null) {
+ return;
+ }
+
+ // If any events were queued by the responder, give them to the record reader now.
+ while (!queuedEvents.isEmpty()) {
+ ReaderEvent readerEvent = queuedEvents.poll();
+ LOG.debug("Sending queued event to record reader: " + readerEvent.getEventType());
+ recordReader.handleEvent(readerEvent);
+ }
+ }
+
+ /**
+ * Send the ReaderEvents to the record reader, if it is registered to this responder.
+ * If there is no registered record reader, add them to a list of pending reader events
+ * since we don't want to drop these events.
+ * @param readerEvent
+ */
+ protected synchronized void sendOrQueueEvent(ReaderEvent readerEvent) {
+ LlapBaseRecordReader recordReader = getRecordReader();
+ if (recordReader != null) {
+ recordReader.handleEvent(readerEvent);
+ } else {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("No registered record reader, queueing event " + readerEvent.getEventType()
+ + " with message " + readerEvent.getMessage());
+ }
+
+ try {
+ queuedEvents.put(readerEvent);
+ } catch (Exception err) {
+ throw new RuntimeException("Unexpected exception while queueing reader event", err);
+ }
+ }
+ }
+
+ /**
+ * Clear the list of queued reader events if we are not interested in sending any pending events to any registering record reader.
+ */
+ public void clearQueuedEvents() {
+ queuedEvents.clear();
+ }
+ }
+}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputSplit.java
----------------------------------------------------------------------
diff --git a/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputSplit.java b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputSplit.java
new file mode 100644
index 0000000..02aedfd
--- /dev/null
+++ b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapInputSplit.java
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hive.llap;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+
+import org.apache.hadoop.hive.llap.Schema;
+import org.apache.hadoop.mapred.InputSplitWithLocationInfo;
+import org.apache.hadoop.mapred.SplitLocationInfo;
+import org.apache.thrift.TDeserializer;
+import org.apache.thrift.TSerializer;
+
+public class LlapInputSplit implements InputSplitWithLocationInfo {
+
+ int splitNum;
+ byte[] planBytes;
+ byte[] fragmentBytes;
+ SplitLocationInfo[] locations;
+ Schema schema;
+ String llapUser;
+
+ public LlapInputSplit() {
+ }
+
+ public LlapInputSplit(int splitNum, byte[] planBytes, byte[] fragmentBytes, SplitLocationInfo[] locations, Schema schema, String llapUser) {
+ this.planBytes = planBytes;
+ this.fragmentBytes = fragmentBytes;
+ this.locations = locations;
+ this.schema = schema;
+ this.splitNum = splitNum;
+ this.llapUser = llapUser;
+ }
+
+ public Schema getSchema() {
+ return schema;
+ }
+
+ @Override
+ public long getLength() throws IOException {
+ return 0;
+ }
+
+ @Override
+ public String[] getLocations() throws IOException {
+ String[] locs = new String[locations.length];
+ for (int i = 0; i < locations.length; ++i) {
+ locs[i] = locations[i].getLocation();
+ }
+ return locs;
+ }
+
+ public int getSplitNum() {
+ return splitNum;
+ }
+
+ public byte[] getPlanBytes() {
+ return planBytes;
+ }
+
+ public byte[] getFragmentBytes() {
+ return fragmentBytes;
+ }
+
+
+
+ @Override
+ public void write(DataOutput out) throws IOException {
+ out.writeInt(splitNum);
+ out.writeInt(planBytes.length);
+ out.write(planBytes);
+
+ out.writeInt(fragmentBytes.length);
+ out.write(fragmentBytes);
+
+ out.writeInt(locations.length);
+ for (int i = 0; i < locations.length; ++i) {
+ out.writeUTF(locations[i].getLocation());
+ }
+
+ schema.write(out);
+ out.writeUTF(llapUser);
+ }
+
+ @Override
+ public void readFields(DataInput in) throws IOException {
+ splitNum = in.readInt();
+ int length = in.readInt();
+ planBytes = new byte[length];
+ in.readFully(planBytes);
+
+ length = in.readInt();
+ fragmentBytes = new byte[length];
+ in.readFully(fragmentBytes);
+
+ length = in.readInt();
+ locations = new SplitLocationInfo[length];
+
+ for (int i = 0; i < length; ++i) {
+ locations[i] = new SplitLocationInfo(in.readUTF(), false);
+ }
+
+ schema = new Schema();
+ schema.readFields(in);
+ llapUser = in.readUTF();
+ }
+
+ @Override
+ public SplitLocationInfo[] getLocationInfo() throws IOException {
+ return locations;
+ }
+
+ public String getLlapUser() {
+ return llapUser;
+ }
+}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/src/java/org/apache/hadoop/hive/llap/LlapRowRecordReader.java
----------------------------------------------------------------------
diff --git a/llap-client/src/java/org/apache/hadoop/hive/llap/LlapRowRecordReader.java b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapRowRecordReader.java
new file mode 100644
index 0000000..4e000ff
--- /dev/null
+++ b/llap-client/src/java/org/apache/hadoop/hive/llap/LlapRowRecordReader.java
@@ -0,0 +1,155 @@
+package org.apache.hadoop.hive.llap;
+
+import com.google.common.base.Preconditions;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Properties;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.io.NullWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.Writable;
+import org.apache.hadoop.mapred.RecordReader;
+import org.apache.hadoop.mapred.Reporter;
+import org.apache.hadoop.mapred.JobConf;
+
+import org.apache.hadoop.hive.llap.Row;
+import org.apache.hadoop.hive.llap.FieldDesc;
+import org.apache.hadoop.hive.llap.Schema;
+import org.apache.hadoop.hive.llap.TypeDesc;
+import org.apache.hadoop.hive.serde.serdeConstants;
+import org.apache.hadoop.hive.serde2.SerDe;
+import org.apache.hadoop.hive.serde2.SerDeException;
+import org.apache.hadoop.hive.serde2.io.HiveCharWritable;
+import org.apache.hadoop.hive.serde2.io.HiveVarcharWritable;
+import org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector.Category;
+import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector;
+import org.apache.hadoop.hive.serde2.objectinspector.StructField;
+import org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+public class LlapRowRecordReader implements RecordReader<NullWritable, Row> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(LlapRowRecordReader.class);
+
+ Configuration conf;
+ RecordReader<NullWritable, Text> reader;
+ Schema schema;
+ SerDe serde;
+ final Text textData = new Text();
+
+ public LlapRowRecordReader(Configuration conf, Schema schema, RecordReader<NullWritable, Text> reader) {
+ this.conf = conf;
+ this.schema = schema;
+ this.reader = reader;
+ }
+
+ @Override
+ public void close() throws IOException {
+ reader.close();
+ }
+
+ @Override
+ public NullWritable createKey() {
+ return NullWritable.get();
+ }
+
+ @Override
+ public Row createValue() {
+ return new Row(schema);
+ }
+
+ @Override
+ public long getPos() throws IOException {
+ return 0;
+ }
+
+ @Override
+ public float getProgress() throws IOException {
+ return 0;
+ }
+
+ @Override
+ public boolean next(NullWritable key, Row value) throws IOException {
+ Preconditions.checkArgument(value != null);
+
+ if (serde == null) {
+ try {
+ serde = initSerDe(conf);
+ } catch (SerDeException err) {
+ throw new IOException(err);
+ }
+ }
+
+ boolean hasNext = reader.next(key, textData);
+ if (hasNext) {
+ // Deserialize Text to column values, and populate the row record
+ Object rowObj;
+ try {
+ StructObjectInspector rowOI = (StructObjectInspector) serde.getObjectInspector();
+ rowObj = serde.deserialize(textData);
+ List<? extends StructField> colFields = rowOI.getAllStructFieldRefs();
+ for (int idx = 0; idx < colFields.size(); ++idx) {
+ StructField field = colFields.get(idx);
+ Object colValue = rowOI.getStructFieldData(rowObj, field);
+ Preconditions.checkState(field.getFieldObjectInspector().getCategory() == Category.PRIMITIVE,
+ "Cannot handle non-primitive column type " + field.getFieldObjectInspector().getTypeName());
+
+ PrimitiveObjectInspector poi = (PrimitiveObjectInspector) field.getFieldObjectInspector();
+ // char/varchar special cased here since the row record handles them using Text
+ switch (poi.getPrimitiveCategory()) {
+ case CHAR:
+ value.setValue(idx, ((HiveCharWritable) poi.getPrimitiveWritableObject(colValue)).getPaddedValue());
+ break;
+ case VARCHAR:
+ value.setValue(idx, ((HiveVarcharWritable) poi.getPrimitiveWritableObject(colValue)).getTextValue());
+ break;
+ default:
+ value.setValue(idx, (Writable) poi.getPrimitiveWritableObject(colValue));
+ break;
+ }
+ }
+ } catch (SerDeException err) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Error deserializing row from text: " + textData);
+ }
+ throw new IOException("Error deserializing row data", err);
+ }
+ }
+
+ return hasNext;
+ }
+
+ public Schema getSchema() {
+ return schema;
+ }
+
+ protected SerDe initSerDe(Configuration conf) throws SerDeException {
+ Properties props = new Properties();
+ StringBuffer columnsBuffer = new StringBuffer();
+ StringBuffer typesBuffer = new StringBuffer();
+ boolean isFirst = true;
+ for (FieldDesc colDesc : schema.getColumns()) {
+ if (!isFirst) {
+ columnsBuffer.append(',');
+ typesBuffer.append(',');
+ }
+ columnsBuffer.append(colDesc.getName());
+ typesBuffer.append(colDesc.getTypeDesc().toString());
+ isFirst = false;
+ }
+ String columns = columnsBuffer.toString();
+ String types = typesBuffer.toString();
+ props.put(serdeConstants.LIST_COLUMNS, columns);
+ props.put(serdeConstants.LIST_COLUMN_TYPES, types);
+ SerDe serde = new LazySimpleSerDe();
+ serde.initialize(conf, props);
+
+ return serde;
+ }
+}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/src/java/org/apache/hadoop/hive/llap/SubmitWorkInfo.java
----------------------------------------------------------------------
diff --git a/llap-client/src/java/org/apache/hadoop/hive/llap/SubmitWorkInfo.java b/llap-client/src/java/org/apache/hadoop/hive/llap/SubmitWorkInfo.java
new file mode 100644
index 0000000..83149ab
--- /dev/null
+++ b/llap-client/src/java/org/apache/hadoop/hive/llap/SubmitWorkInfo.java
@@ -0,0 +1,103 @@
+package org.apache.hadoop.hive.llap;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+
+import org.apache.hadoop.io.DataInputBuffer;
+import org.apache.hadoop.io.DataOutputBuffer;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.Writable;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.tez.common.security.JobTokenIdentifier;
+import org.apache.tez.common.security.JobTokenSecretManager;
+import org.apache.tez.runtime.api.impl.TaskSpec;
+
+public class SubmitWorkInfo implements Writable {
+
+ private TaskSpec taskSpec;
+ private ApplicationId fakeAppId;
+ private long creationTime;
+
+ // This is used to communicate over the LlapUmbilicalProtocol. Not related to tokens used to
+ // talk to LLAP daemons itself via the securit work.
+ private Token<JobTokenIdentifier> token;
+
+ public SubmitWorkInfo(TaskSpec taskSpec, ApplicationId fakeAppId, long creationTime) {
+ this.taskSpec = taskSpec;
+ this.fakeAppId = fakeAppId;
+ this.token = createJobToken();
+ this.creationTime = creationTime;
+ }
+
+ // Empty constructor for writable etc.
+ public SubmitWorkInfo() {
+ }
+
+ public TaskSpec getTaskSpec() {
+ return taskSpec;
+ }
+
+ public ApplicationId getFakeAppId() {
+ return fakeAppId;
+ }
+
+ public String getTokenIdentifier() {
+ return fakeAppId.toString();
+ }
+
+ public Token<JobTokenIdentifier> getToken() {
+ return token;
+ }
+
+ public long getCreationTime() {
+ return creationTime;
+ }
+
+ @Override
+ public void write(DataOutput out) throws IOException {
+ taskSpec.write(out);
+ out.writeLong(fakeAppId.getClusterTimestamp());
+ out.writeInt(fakeAppId.getId());
+ token.write(out);
+ out.writeLong(creationTime);
+ }
+
+ @Override
+ public void readFields(DataInput in) throws IOException {
+ taskSpec = new TaskSpec();
+ taskSpec.readFields(in);
+ long appIdTs = in.readLong();
+ int appIdId = in.readInt();
+ fakeAppId = ApplicationId.newInstance(appIdTs, appIdId);
+ token = new Token<>();
+ token.readFields(in);
+ creationTime = in.readLong();
+ }
+
+ public static byte[] toBytes(SubmitWorkInfo submitWorkInfo) throws IOException {
+ DataOutputBuffer dob = new DataOutputBuffer();
+ submitWorkInfo.write(dob);
+ return dob.getData();
+ }
+
+ public static SubmitWorkInfo fromBytes(byte[] submitWorkInfoBytes) throws IOException {
+ DataInputBuffer dib = new DataInputBuffer();
+ dib.reset(submitWorkInfoBytes, 0, submitWorkInfoBytes.length);
+ SubmitWorkInfo submitWorkInfo = new SubmitWorkInfo();
+ submitWorkInfo.readFields(dib);
+ return submitWorkInfo;
+ }
+
+
+ private Token<JobTokenIdentifier> createJobToken() {
+ String tokenIdentifier = fakeAppId.toString();
+ JobTokenIdentifier identifier = new JobTokenIdentifier(new Text(
+ tokenIdentifier));
+ Token<JobTokenIdentifier> sessionToken = new Token<JobTokenIdentifier>(identifier,
+ new JobTokenSecretManager());
+ sessionToken.setService(identifier.getJobId());
+ return sessionToken;
+ }
+}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/src/java/org/apache/hadoop/hive/llap/ext/LlapTaskUmbilicalExternalClient.java
----------------------------------------------------------------------
diff --git a/llap-client/src/java/org/apache/hadoop/hive/llap/ext/LlapTaskUmbilicalExternalClient.java b/llap-client/src/java/org/apache/hadoop/hive/llap/ext/LlapTaskUmbilicalExternalClient.java
new file mode 100644
index 0000000..7d06637
--- /dev/null
+++ b/llap-client/src/java/org/apache/hadoop/hive/llap/ext/LlapTaskUmbilicalExternalClient.java
@@ -0,0 +1,415 @@
+package org.apache.hadoop.hive.llap.ext;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+import com.google.common.base.Preconditions;
+import org.apache.commons.collections4.ListUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.llap.daemon.rpc.LlapDaemonProtocolProtos;
+import org.apache.hadoop.hive.llap.daemon.rpc.LlapDaemonProtocolProtos.SubmitWorkRequestProto;
+import org.apache.hadoop.hive.llap.protocol.LlapTaskUmbilicalProtocol;
+import org.apache.hadoop.hive.llap.tez.LlapProtocolClientProxy;
+import org.apache.hadoop.hive.llap.tezplugins.helpers.LlapTaskUmbilicalServer;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.ipc.ProtocolSignature;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.service.AbstractService;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.util.ConverterUtils;
+import org.apache.tez.common.security.JobTokenIdentifier;
+import org.apache.tez.dag.api.TezException;
+import org.apache.tez.dag.records.TezTaskAttemptID;
+import org.apache.tez.runtime.api.Event;
+import org.apache.tez.runtime.api.impl.EventType;
+import org.apache.tez.runtime.api.impl.TezEvent;
+import org.apache.tez.runtime.api.impl.TezHeartbeatRequest;
+import org.apache.tez.runtime.api.impl.TezHeartbeatResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+public class LlapTaskUmbilicalExternalClient extends AbstractService {
+
+ private static final Logger LOG = LoggerFactory.getLogger(LlapTaskUmbilicalExternalClient.class);
+
+ private final LlapProtocolClientProxy communicator;
+ private volatile LlapTaskUmbilicalServer llapTaskUmbilicalServer;
+ private final Configuration conf;
+ private final LlapTaskUmbilicalProtocol umbilical;
+
+ protected final String tokenIdentifier;
+ protected final Token<JobTokenIdentifier> sessionToken;
+
+ private final ConcurrentMap<String, PendingEventData> pendingEvents = new ConcurrentHashMap<>();
+ private final ConcurrentMap<String, TaskHeartbeatInfo> registeredTasks= new ConcurrentHashMap<String, TaskHeartbeatInfo>();
+ private LlapTaskUmbilicalExternalResponder responder = null;
+ private final ScheduledThreadPoolExecutor timer;
+ private final long connectionTimeout;
+
+ private static class TaskHeartbeatInfo {
+ final String taskAttemptId;
+ final String hostname;
+ final int port;
+ final AtomicLong lastHeartbeat = new AtomicLong();
+
+ public TaskHeartbeatInfo(String taskAttemptId, String hostname, int port) {
+ this.taskAttemptId = taskAttemptId;
+ this.hostname = hostname;
+ this.port = port;
+ this.lastHeartbeat.set(System.currentTimeMillis());
+ }
+ }
+
+ private static class PendingEventData {
+ final TaskHeartbeatInfo heartbeatInfo;
+ final List<TezEvent> tezEvents;
+
+ public PendingEventData(TaskHeartbeatInfo heartbeatInfo, List<TezEvent> tezEvents) {
+ this.heartbeatInfo = heartbeatInfo;
+ this.tezEvents = tezEvents;
+ }
+ }
+
+ // TODO KKK Work out the details of the tokenIdentifier, and the session token.
+ // It may just be possible to create one here - since Shuffle is not involved, and this is only used
+ // for communication from LLAP-Daemons to the server. It will need to be sent in as part
+ // of the job submission request.
+ public LlapTaskUmbilicalExternalClient(Configuration conf, String tokenIdentifier,
+ Token<JobTokenIdentifier> sessionToken, LlapTaskUmbilicalExternalResponder responder) {
+ super(LlapTaskUmbilicalExternalClient.class.getName());
+ this.conf = conf;
+ this.umbilical = new LlapTaskUmbilicalExternalImpl();
+ this.tokenIdentifier = tokenIdentifier;
+ this.sessionToken = sessionToken;
+ this.responder = responder;
+ this.timer = new ScheduledThreadPoolExecutor(1);
+ this.connectionTimeout = HiveConf.getTimeVar(conf,
+ HiveConf.ConfVars.LLAP_DAEMON_AM_LIVENESS_CONNECTION_TIMEOUT_MS, TimeUnit.MILLISECONDS);
+ // TODO. No support for the LLAP token yet. Add support for configurable threads, however 1 should always be enough.
+ this.communicator = new LlapProtocolClientProxy(1, conf, null);
+ this.communicator.init(conf);
+ }
+
+ @Override
+ public void serviceStart() throws IOException {
+ int numHandlers = HiveConf.getIntVar(conf,
+ HiveConf.ConfVars.LLAP_TMP_EXT_CLIENT_NUM_SERVER_HANDLERS);
+ llapTaskUmbilicalServer = new LlapTaskUmbilicalServer(conf, umbilical, numHandlers, tokenIdentifier, sessionToken);
+ communicator.start();
+ }
+
+ @Override
+ public void serviceStop() {
+ llapTaskUmbilicalServer.shutdownServer();
+ timer.shutdown();
+ if (this.communicator != null) {
+ this.communicator.stop();
+ }
+ }
+
+ public InetSocketAddress getAddress() {
+ return llapTaskUmbilicalServer.getAddress();
+ }
+
+
+ /**
+ * Submit the work for actual execution. This should always have the usingTezAm flag disabled
+ * @param submitWorkRequestProto
+ */
+ public void submitWork(final SubmitWorkRequestProto submitWorkRequestProto, String llapHost, int llapPort, List<TezEvent> tezEvents) {
+ Preconditions.checkArgument(submitWorkRequestProto.getUsingTezAm() == false);
+
+ // Register the pending events to be sent for this spec.
+ String fragmentId = submitWorkRequestProto.getFragmentSpec().getFragmentIdentifierString();
+ PendingEventData pendingEventData = new PendingEventData(
+ new TaskHeartbeatInfo(fragmentId, llapHost, llapPort),
+ tezEvents);
+ pendingEvents.putIfAbsent(fragmentId, pendingEventData);
+
+ // Setup timer task to check for hearbeat timeouts
+ timer.scheduleAtFixedRate(new HeartbeatCheckTask(),
+ connectionTimeout, connectionTimeout, TimeUnit.MILLISECONDS);
+
+ // Send out the actual SubmitWorkRequest
+ communicator.sendSubmitWork(submitWorkRequestProto, llapHost, llapPort,
+ new LlapProtocolClientProxy.ExecuteRequestCallback<LlapDaemonProtocolProtos.SubmitWorkResponseProto>() {
+
+ @Override
+ public void setResponse(LlapDaemonProtocolProtos.SubmitWorkResponseProto response) {
+ if (response.hasSubmissionState()) {
+ if (response.getSubmissionState().equals(LlapDaemonProtocolProtos.SubmissionStateProto.REJECTED)) {
+ String msg = "Fragment: " + submitWorkRequestProto.getFragmentSpec().getFragmentIdentifierString() + " rejected. Server Busy.";
+ LOG.info(msg);
+ if (responder != null) {
+ Throwable err = new RuntimeException(msg);
+ responder.submissionFailed(submitWorkRequestProto.getFragmentSpec().getFragmentIdentifierString(), err);
+ }
+ return;
+ }
+ }
+ }
+
+ @Override
+ public void indicateError(Throwable t) {
+ String msg = "Failed to submit: " + submitWorkRequestProto.getFragmentSpec().getFragmentIdentifierString();
+ LOG.error(msg, t);
+ Throwable err = new RuntimeException(msg, t);
+ responder.submissionFailed(submitWorkRequestProto.getFragmentSpec().getFragmentIdentifierString(), err);
+ }
+ });
+
+
+
+
+
+// // TODO Also send out information saying that the fragment is finishable - if that is not already included in the main fragment.
+// // This entire call is only required if we're doing more than scans. MRInput has no dependencies and is always finishable
+// QueryIdentifierProto queryIdentifier = QueryIdentifierProto
+// .newBuilder()
+// .setAppIdentifier(submitWorkRequestProto.getApplicationIdString()).setDagIdentifier(submitWorkRequestProto.getFragmentSpec().getDagId())
+// .build();
+// LlapDaemonProtocolProtos.SourceStateUpdatedRequestProto sourceStateUpdatedRequest =
+// LlapDaemonProtocolProtos.SourceStateUpdatedRequestProto.newBuilder().setQueryIdentifier(queryIdentifier).setState(
+// LlapDaemonProtocolProtos.SourceStateProto.S_SUCCEEDED).
+// setSrcName(TODO)
+// communicator.sendSourceStateUpdate(LlapDaemonProtocolProtos.SourceStateUpdatedRequestProto.newBuilder().setQueryIdentifier(submitWorkRequestProto.getFragmentSpec().getFragmentIdentifierString()).set);
+
+
+ }
+
+ private void updateHeartbeatInfo(String taskAttemptId) {
+ int updateCount = 0;
+
+ PendingEventData pendingEventData = pendingEvents.get(taskAttemptId);
+ if (pendingEventData != null) {
+ pendingEventData.heartbeatInfo.lastHeartbeat.set(System.currentTimeMillis());
+ updateCount++;
+ }
+
+ TaskHeartbeatInfo heartbeatInfo = registeredTasks.get(taskAttemptId);
+ if (heartbeatInfo != null) {
+ heartbeatInfo.lastHeartbeat.set(System.currentTimeMillis());
+ updateCount++;
+ }
+
+ if (updateCount == 0) {
+ LOG.warn("No tasks found for heartbeat from taskAttemptId " + taskAttemptId);
+ }
+ }
+
+ private void updateHeartbeatInfo(String hostname, int port) {
+ int updateCount = 0;
+
+ for (String key : pendingEvents.keySet()) {
+ PendingEventData pendingEventData = pendingEvents.get(key);
+ if (pendingEventData != null) {
+ if (pendingEventData.heartbeatInfo.hostname.equals(hostname)
+ && pendingEventData.heartbeatInfo.port == port) {
+ pendingEventData.heartbeatInfo.lastHeartbeat.set(System.currentTimeMillis());
+ updateCount++;
+ }
+ }
+ }
+
+ for (String key : registeredTasks.keySet()) {
+ TaskHeartbeatInfo heartbeatInfo = registeredTasks.get(key);
+ if (heartbeatInfo != null) {
+ if (heartbeatInfo.hostname.equals(hostname)
+ && heartbeatInfo.port == port) {
+ heartbeatInfo.lastHeartbeat.set(System.currentTimeMillis());
+ updateCount++;
+ }
+ }
+ }
+
+ if (updateCount == 0) {
+ LOG.info("No tasks found for heartbeat from hostname " + hostname + ", port " + port);
+ }
+ }
+
+ private class HeartbeatCheckTask implements Runnable {
+ public void run() {
+ long currentTime = System.currentTimeMillis();
+ List<String> timedOutTasks = new ArrayList<String>();
+
+ // Check both pending and registered tasks for timeouts
+ for (String key : pendingEvents.keySet()) {
+ PendingEventData pendingEventData = pendingEvents.get(key);
+ if (pendingEventData != null) {
+ if (currentTime - pendingEventData.heartbeatInfo.lastHeartbeat.get() >= connectionTimeout) {
+ timedOutTasks.add(key);
+ }
+ }
+ }
+ for (String timedOutTask : timedOutTasks) {
+ LOG.info("Pending taskAttemptId " + timedOutTask + " timed out");
+ responder.heartbeatTimeout(timedOutTask);
+ pendingEvents.remove(timedOutTask);
+ // TODO: Do we need to tell the LLAP daemon we are no longer interested in this task?
+ }
+
+ timedOutTasks.clear();
+ for (String key : registeredTasks.keySet()) {
+ TaskHeartbeatInfo heartbeatInfo = registeredTasks.get(key);
+ if (heartbeatInfo != null) {
+ if (currentTime - heartbeatInfo.lastHeartbeat.get() >= connectionTimeout) {
+ timedOutTasks.add(key);
+ }
+ }
+ }
+ for (String timedOutTask : timedOutTasks) {
+ LOG.info("Running taskAttemptId " + timedOutTask + " timed out");
+ responder.heartbeatTimeout(timedOutTask);
+ registeredTasks.remove(timedOutTask);
+ // TODO: Do we need to tell the LLAP daemon we are no longer interested in this task?
+ }
+ }
+ }
+
+ public interface LlapTaskUmbilicalExternalResponder {
+ void submissionFailed(String fragmentId, Throwable throwable);
+ void heartbeat(TezHeartbeatRequest request);
+ void taskKilled(TezTaskAttemptID taskAttemptId);
+ void heartbeatTimeout(String fragmentId);
+ }
+
+
+
+ // TODO Ideally, the server should be shared across all client sessions running on the same node.
+ private class LlapTaskUmbilicalExternalImpl implements LlapTaskUmbilicalProtocol {
+
+ @Override
+ public boolean canCommit(TezTaskAttemptID taskid) throws IOException {
+ // Expecting only a single instance of a task to be running.
+ return true;
+ }
+
+ @Override
+ public TezHeartbeatResponse heartbeat(TezHeartbeatRequest request) throws IOException,
+ TezException {
+ // Keep-alive information. The client should be informed and will have to take care of re-submitting the work.
+ // Some parts of fault tolerance go here.
+
+ // This also provides completion information, and a possible notification when task actually starts running (first heartbeat)
+
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Received heartbeat from container, request=" + request);
+ }
+
+ // Incoming events can be ignored until the point when shuffle needs to be handled, instead of just scans.
+ TezHeartbeatResponse response = new TezHeartbeatResponse();
+
+ response.setLastRequestId(request.getRequestId());
+ // Assuming TaskAttemptId and FragmentIdentifierString are the same. Verify this.
+ TezTaskAttemptID taskAttemptId = request.getCurrentTaskAttemptID();
+ String taskAttemptIdString = taskAttemptId.toString();
+
+ updateHeartbeatInfo(taskAttemptIdString);
+
+ List<TezEvent> tezEvents = null;
+ PendingEventData pendingEventData = pendingEvents.remove(taskAttemptIdString);
+ if (pendingEventData == null) {
+ tezEvents = Collections.emptyList();
+
+ // If this heartbeat was not from a pending event and it's not in our list of registered tasks,
+ if (!registeredTasks.containsKey(taskAttemptIdString)) {
+ LOG.info("Unexpected heartbeat from " + taskAttemptIdString);
+ response.setShouldDie(); // Do any of the other fields need to be set?
+ return response;
+ }
+ } else {
+ tezEvents = pendingEventData.tezEvents;
+ // Tasks removed from the pending list should then be added to the registered list.
+ registeredTasks.put(taskAttemptIdString, pendingEventData.heartbeatInfo);
+ }
+
+ response.setLastRequestId(request.getRequestId());
+ // Irrelevant from eventIds. This can be tracked in the AM itself, instead of polluting the task.
+ // Also since we have all the MRInput events here - they'll all be sent in together.
+ response.setNextFromEventId(0); // Irrelevant. See comment above.
+ response.setNextPreRoutedEventId(0); //Irrelevant. See comment above.
+ response.setEvents(tezEvents);
+
+ List<TezEvent> inEvents = request.getEvents();
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Heartbeat from " + taskAttemptIdString +
+ " events: " + (inEvents != null ? inEvents.size() : -1));
+ }
+ for (TezEvent tezEvent : ListUtils.emptyIfNull(inEvents)) {
+ EventType eventType = tezEvent.getEventType();
+ switch (eventType) {
+ case TASK_ATTEMPT_COMPLETED_EVENT:
+ LOG.debug("Task completed event for " + taskAttemptIdString);
+ registeredTasks.remove(taskAttemptIdString);
+ break;
+ case TASK_ATTEMPT_FAILED_EVENT:
+ LOG.debug("Task failed event for " + taskAttemptIdString);
+ registeredTasks.remove(taskAttemptIdString);
+ break;
+ case TASK_STATUS_UPDATE_EVENT:
+ // If we want to handle counters
+ LOG.debug("Task update event for " + taskAttemptIdString);
+ break;
+ default:
+ LOG.warn("Unhandled event type " + eventType);
+ break;
+ }
+ }
+
+ // Pass the request on to the responder
+ try {
+ if (responder != null) {
+ responder.heartbeat(request);
+ }
+ } catch (Exception err) {
+ LOG.error("Error during responder execution", err);
+ }
+
+ return response;
+ }
+
+ @Override
+ public void nodeHeartbeat(Text hostname, int port) throws IOException {
+ updateHeartbeatInfo(hostname.toString(), port);
+ // No need to propagate to this to the responder
+ }
+
+ @Override
+ public void taskKilled(TezTaskAttemptID taskAttemptId) throws IOException {
+ String taskAttemptIdString = taskAttemptId.toString();
+ LOG.error("Task killed - " + taskAttemptIdString);
+ registeredTasks.remove(taskAttemptIdString);
+
+ try {
+ if (responder != null) {
+ responder.taskKilled(taskAttemptId);
+ }
+ } catch (Exception err) {
+ LOG.error("Error during responder execution", err);
+ }
+ }
+
+ @Override
+ public long getProtocolVersion(String protocol, long clientVersion) throws IOException {
+ return 0;
+ }
+
+ @Override
+ public ProtocolSignature getProtocolSignature(String protocol, long clientVersion,
+ int clientMethodsHash) throws IOException {
+ return ProtocolSignature.getProtocolSignature(this, protocol,
+ clientVersion, clientMethodsHash);
+ }
+ }
+
+}

http://git-wip-us.apache.org/repos/asf/hive/blob/7b9096a9/llap-client/src/java/org/apache/hadoop/hive/llap/tezplugins/helpers/LlapTaskUmbilicalServer.java
----------------------------------------------------------------------
diff --git a/llap-client/src/java/org/apache/hadoop/hive/llap/tezplugins/helpers/LlapTaskUmbilicalServer.java b/llap-client/src/java/org/apache/hadoop/hive/llap/tezplugins/helpers/LlapTaskUmbilicalServer.java
new file mode 100644
index 0000000..dbd591a
--- /dev/null
+++ b/llap-client/src/java/org/apache/hadoop/hive/llap/tezplugins/helpers/LlapTaskUmbilicalServer.java
@@ -0,0 +1,57 @@
+package org.apache.hadoop.hive.llap.tezplugins.helpers;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.llap.protocol.LlapTaskUmbilicalProtocol;
+import org.apache.hadoop.ipc.RPC;
+import org.apache.hadoop.ipc.Server;
+import org.apache.hadoop.net.NetUtils;
+import org.apache.hadoop.security.token.Token;
+import org.apache.tez.common.security.JobTokenIdentifier;
+import org.apache.tez.common.security.JobTokenSecretManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class LlapTaskUmbilicalServer {
+
+ private static final Logger LOG = LoggerFactory.getLogger(LlapTaskUmbilicalServer.class);
+
+ protected volatile Server server;
+ private final InetSocketAddress address;
+ private final AtomicBoolean started = new AtomicBoolean(true);
+
+ public LlapTaskUmbilicalServer(Configuration conf, LlapTaskUmbilicalProtocol umbilical, int numHandlers, String tokenIdentifier, Token<JobTokenIdentifier> token) throws
+ IOException {
+ JobTokenSecretManager jobTokenSecretManager =
+ new JobTokenSecretManager();
+ jobTokenSecretManager.addTokenForJob(tokenIdentifier, token);
+
+ server = new RPC.Builder(conf)
+ .setProtocol(LlapTaskUmbilicalProtocol.class)
+ .setBindAddress("0.0.0.0")
+ .setPort(0)
+ .setInstance(umbilical)
+ .setNumHandlers(numHandlers)
+ .setSecretManager(jobTokenSecretManager).build();
+
+ server.start();
+ this.address = NetUtils.getConnectAddress(server);
+ LOG.info(
+ "Started TaskUmbilicalServer: " + umbilical.getClass().getName() + " at address: " + address +
+ " with numHandlers=" + numHandlers);
+ }
+
+ public InetSocketAddress getAddress() {
+ return this.address;
+ }
+
+ public void shutdownServer() {
+ if (started.get()) { // Primarily to avoid multiple shutdowns.
+ started.set(false);
+ server.stop();
+ }
+ }
+}

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