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253 discussions - 779 posts

  • Hi, when using spark with Hbase(CDH4) I get this error apparently it's related to ...
    Håvard Wahl KongsgårdHåvard Wahl Kongsgård
    May 6, 2013 at 4:20 pm
    Oct 24, 2013 at 10:08 pm
  • We have an oozie job that will index our daily logs. From the command line everything is working fine but for some reason when running the indexing job from Oozie we are receiving the below error. We ...
    StaticVoidStaticVoid
    May 15, 2013 at 5:36 pm
    May 23, 2013 at 7:26 pm
  • hi . I upgraded my cluster from CDH 4.2.1 to CDH4.3. And when i execute select query in hive , java.io.IOException:org.apache.hadoop.hive.serde2.avro.BadSchemaException *occurred.* But at CDH 4.2.1 ...
    Kweesung leeKweesung lee
    May 29, 2013 at 7:15 am
    Apr 4, 2014 at 2:58 pm
  • I trying to create some Hive tables based on JSON and the JSONSerDe, but I keep running into issues - the first of which is "Is there a recommended JSONSerDe out there for Cloudera CDH4.2?" I've ...
    CorgoneCorgone
    May 2, 2013 at 2:30 am
    Jan 14, 2014 at 8:07 am
  • Dear all, As we know that hadoop supporting heterogeneous environment where the nodes have different processing capacities. I think so (if I am not wrong), hadoop equally distribute the load among ...
    Mukhtaj KhanMukhtaj Khan
    May 5, 2013 at 9:38 am
    Oct 21, 2013 at 11:31 am
  • Hi, I'm wondering if/when Debian Wheezy Packages will be available for CDH3/4. --jon --
    Jon LorussoJon Lorusso
    May 8, 2013 at 4:45 pm
    Jul 16, 2013 at 11:31 am
  • We’re implementing Proof of Concept project on Hive and ODBC connectivity. We’re running CDH4, Hive with Hiveserver2. We’ve established connection to Hive from MS SQL 2012 sp1 via linked server, ...
    Baisus13Baisus13
    May 13, 2013 at 8:51 am
    May 14, 2013 at 9:01 pm
  • Is there zookeeper cli/console to help monitor zookeeper via webinject monitoring? --
    Willy ChangWilly Chang
    May 6, 2013 at 11:00 pm
    May 8, 2013 at 7:14 pm
  • *Error submitting workflow <workflow name * E0803: IO error, <openjpa-2.1.0-r422266:1071316 fatal store error org.apache.openjpa.persistence.RollbackException: The transaction has been rolled back ...
    Sanjay SubramanianSanjay Subramanian
    May 2, 2013 at 8:35 pm
    Nov 8, 2013 at 5:34 pm
  • We installed the lzo libraries via glpextras. Can we use pig to read LZO compressed files? If so, how? --
    StaticVoidStaticVoid
    May 7, 2013 at 10:24 pm
    Jul 8, 2013 at 11:44 pm
  • Hey, I have 12 mappers and 6 reducers per node (2 task tracker nodes, 1 job tracker node) on 24 core, 128GB boxes with 6 disks. I notice when running multiple hive queries that pull in a lot of data ...
    Jason VanhoolJason Vanhool
    May 30, 2013 at 10:17 pm
    Jun 1, 2013 at 2:46 am
  • Hi, I have CDH4 installed on VM . When I try to compile WordCount.java I am getting the following errors. ----------------------------------------------------- [cloudera@localhost ~]$ javac -cp ...
    SeabiscuitSeabiscuit
    May 14, 2013 at 5:16 am
    Jan 29, 2014 at 5:20 pm
  • System: CM 4.5.2, CDH 4.2.1, HiveServer2 role in Hive Service We have several oozie coordinators which trigger execution of hive-based action. Currently HiveServer2 is not supported by oozie so we ...
    Serega SheypakSerega Sheypak
    May 15, 2013 at 6:50 am
    May 17, 2013 at 2:06 pm
  • I followed the vmware installation found here http://www.youtube.com/watch?v=-d40H96QAIs but once cloudera manager has installed, I cannot access it on my browser. That is when I enter ...
    Alex MinnaarAlex Minnaar
    May 22, 2013 at 9:07 pm
    May 30, 2013 at 11:50 am
  • Hi! We have CDH cluster: 1 namenode, 3 datanodes (3 x 1Tb) When we had about 90% of disk usage we've added 2 x 1Tb to each datanode Now we have 100% full on first 3 drives on each datanode and about ...
    Mikhail CherepnevMikhail Cherepnev
    May 27, 2013 at 12:59 pm
    May 28, 2013 at 9:00 pm
  • Hi, We're space and power constrained in our current data centre and want to expand our cluster and we're a HP customer. I've searched and found the HP reference architecture document for Hadoop and ...
    Rob StylesRob Styles
    May 21, 2013 at 3:42 pm
    May 23, 2013 at 8:58 am
  • HI, we use hbase0.94,cdh4.2, find today stuck when creating table with hbase shell. but still can 'list' and 'scan' and 'count' the existing tables. could you please give us some advice to check if ...
    Hua beatlsHua beatls
    May 9, 2013 at 3:31 pm
    May 11, 2013 at 9:37 am
  • Hello. I have began copile CDH4.3 with Java 1.7 and got error: Detected JDK Version: 1.7.0-11 is not in the allowed range [1.6.0,1.6.1000}] Why CDH4.3 have been begun java version check? --
    Alexey BabutinAlexey Babutin
    May 30, 2013 at 11:55 am
    Jun 12, 2013 at 11:40 am
  • Folks, I just created MAPREDUCE-5255 on a map reduce issue we encountered running CDH 4.2.1 distribution. To confirm it is created under right hadoop version, is CDH 4.2.1 based upon 2.0.3-alpha or ...
    Rahul JainRahul Jain
    May 17, 2013 at 9:01 pm
    May 31, 2013 at 12:43 am
  • Hi, I'm using hbase on the top of hadoop, and I'm getting some errors about xceiver, so I tried to add the following in my /etc/hadoop/conf.empty/hdfs-site.xml file (i'm on debian). <property <name ...
    Quentin AmbardQuentin Ambard
    May 19, 2013 at 10:30 am
    May 27, 2013 at 6:38 pm
  • Hey Guys, I have a table that I have partitioned by one column that gives me a tremendous performance boost: (25min to 7min). But, this column happens to have 16304 unique values and I end up with ...
    VratnagiriVratnagiri
    May 17, 2013 at 10:04 pm
    May 21, 2013 at 11:12 pm
  • Hi all, How I can find the cluster start up time or initialization time? what the is relation of startup time between small cluster and large cluster? Is the start up time will be small for large ...
    Mukhtaj KhanMukhtaj Khan
    May 17, 2013 at 11:57 am
    May 21, 2013 at 2:16 pm
  • Why is this happening? The entire installation procedure to add new hosts to the cluster is broken! this makes the Cloudera Manager useless. see the below errors! get:3 ...
    Tom Da MangTom Da Mang
    May 17, 2013 at 1:50 am
    May 17, 2013 at 4:58 pm
  • Hi, we are considering deploying Cloudera on our cluster and are testing things out via the latest Cloudera VM which includes: CDH4.2, Cloudera Manager 4.5.2, and Cloudera Impala 1.0 I'm unable to ...
    Mike MMike M
    May 9, 2013 at 8:08 pm
    May 13, 2013 at 3:20 pm
  • HI, i was confued by the heapsize of namenode and mapreduce. hardware is 2cpu/32Gmem. hadoop heapsize is set to 4G. but from web ui i find differenet heapsize shown below: [image: Inline image 3] ...
    Hua beatlsHua beatls
    May 8, 2013 at 5:22 pm
    Jan 4, 2014 at 6:25 pm
  • Hi I am building Oozie for daily workflows that process web logs to HDFS to Hive to other aggregation analytics reports. Currently I have a bash script that does the following - pulls web logs files ...
    Sanjay SubramanianSanjay Subramanian
    May 9, 2013 at 11:34 pm
    Jun 11, 2013 at 9:15 pm
  • Hi, I have used the latest cloudera manager to set up a 2 node hadoop cluster comprising of EC2 m1.xlarges. All hadoop services were shown to have started fine. I also increased heap sizes of ...
    Som SatpathySom Satpathy
    May 31, 2013 at 12:10 am
    Jun 9, 2013 at 1:51 pm
  • Hi guys, i want to transfer the existing oracle database server data into hdfs(hive table) with in the help of sqoop. i follow the below steps for doing the above task 1.I Enable Remote Access To ...
    Srinivasan RamalingamSrinivasan Ramalingam
    May 29, 2013 at 1:43 pm
    Jun 6, 2013 at 8:56 pm
  • I'm trying to use distcp to copy a folder from my local hadoop cluster (cdh4) to my Amazon S3 bucket. I use the following command: hadoop distcp -log /tmp/distcplog-s3/ ...
    Mohamed MohideenMohamed Mohideen
    May 31, 2013 at 6:23 pm
    May 31, 2013 at 9:05 pm
  • HI , Can Some one explain me the architecture of Edge node in hadoop . I am able to find only the definition on the internet. I have some queries 1) Does the edge node a part of the cluster (What ...
    Vishnu karthikVishnu karthik
    May 22, 2013 at 6:30 am
    May 22, 2013 at 11:00 am
  • is there a git repo for the cdh distribution? --
    Cng1067Cng1067
    May 20, 2013 at 7:47 am
    May 20, 2013 at 10:36 am
  • Hi, I was installing CDH4 on a single node in Psedu-Distributed mode following this link ...
    ASAASA
    May 13, 2013 at 6:14 pm
    May 15, 2013 at 2:36 pm
  • Hello, Running CM FE 4.5.2 and CDH 4.1.4. HBase and ZK all installed fine and hbase appears to be working via the hbase shell on all nodes (and via Hue). ZK running on one server only. However ...
    Joe TravagliniJoe Travaglini
    May 10, 2013 at 5:34 pm
    May 10, 2013 at 8:11 pm
  • <https://lh5.googleusercontent.com/-UZGCYJEDYp4/UYgTxKhgjkI/AAAAAAAAAQg/paIaPZNps3Y/s1600/Captureqqq.PNG ...
    Ploy JenwiriyakulPloy Jenwiriyakul
    May 6, 2013 at 8:35 pm
    May 9, 2013 at 6:16 pm
  • Hi, I downloaded and tried both VirtualBox and KVM versions of the QuickStart VM May 2013. None of them work properly: Hadoop services do not start. --
    AndriyAndriy
    May 6, 2013 at 6:50 pm
    May 7, 2013 at 5:59 pm
  • Hi, I've setup *HiveServer2*. I supposed that concurrency problems are resolved in HiveServer2. I have two running oozie coordinators. They trigger workflows execution and these workflows do "*alter ...
    Serega SheypakSerega Sheypak
    May 11, 2013 at 8:40 am
    Aug 6, 2013 at 10:31 am
  • I want to change the Output separator from: key (tab) value to key;value I already tried: job.setOutputFormatClass(TextOutputFormat.class); conf.set("mapreduce.output.textoutputformat.separator", ...
    SoulsenSoulsen
    May 23, 2013 at 11:21 am
    Aug 5, 2013 at 10:31 pm
  • On behalf of Cloudera, I am happy to announce the general availability of CDH4.3. This is an update to the CDH4 platform and provides a considerable amount of bug-fixes and stability enhancements ...
    Wendy TurnerWendy Turner
    May 28, 2013 at 9:15 pm
    May 30, 2013 at 7:29 am
  • Hi, I have installed CDH 4.2.1 on a single node. While trying to access HBase using Java from a client machine, the following error crops up, *org.apache.hadoop.hbase.ZooKeeperConnectionException: An ...
    Sachin HadoopSachin Hadoop
    May 28, 2013 at 10:40 am
    May 29, 2013 at 4:44 pm
  • Hi Guys, when i import the data from remote mysql server to hdfs. i got the below error any body can help me to slove this problem. java.sql.SQLException: null, message from server: "Host ...
    Srinivasan RamalingamSrinivasan Ramalingam
    May 29, 2013 at 9:33 am
    May 29, 2013 at 4:07 pm
  • Hi: I was following instructions at this link * http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH4/4.2.0/CDH4-Quick-Start/cdh4qs_topic_3_2.html ...
    ramsriLAramsriLA
    May 24, 2013 at 2:43 am
    May 28, 2013 at 8:00 pm
  • Hi, I just discovered that if you go to http://www.cloudera.com/content/support/en/documentation.html link to CDH4 Docs is no longer active. Also, if you google CDH 4 Documentation, top link ...
    Danil ZburivskyDanil Zburivsky
    May 23, 2013 at 1:39 am
    May 23, 2013 at 4:28 pm
  • Hi, I keep getting this error for any hiveQuery. FAILED: Error in metadata: javax.jdo.JDOFatalDataStoreException: Failed to start database 'metastore_db', see the next exception for details ...
    AshAsh
    May 14, 2013 at 2:11 pm
    May 15, 2013 at 2:43 pm
  • Hi everyone I'm trying to set up a regular import from a mysql table to my hive table. I have set up and oozie sqoop job and provided with : *import --connect jdbc:mysql://myhost/mydb --username user ...
    Nicolas MaillardNicolas Maillard
    May 2, 2013 at 5:36 pm
    May 14, 2013 at 9:50 am
  • CentOS 5.6 + CDH 3u4 + PIG 0.10 node: 8core + 32GB + 1T *12 Reduce task hung up, and pig Job no response, no error log output, and i use jstack dump the thread info below ...
    HeiparkHeipark
    May 3, 2013 at 3:03 am
    May 9, 2013 at 2:18 am
  • Hi All, where do i get hive-serdes-jar? <groupId com.cloudera.serde</groupId <artifactId hive-serdes</artifactId <version 1.0-SNAPSHOT</version <packaging jar</packaging I want to process JSON file ...
    Ravi SharmaRavi Sharma
    May 3, 2013 at 1:45 pm
    May 3, 2013 at 3:08 pm
  • We have a fresh install of CDH4 community edition with the following services (hdfs, mapreduce, zookeeper, hue, oozie, impala, hive). I've looked for an answer on the internet for a good while and ...
    HarakiroHarakiro
    May 2, 2013 at 2:36 pm
    May 3, 2013 at 4:07 am
  • when i user yarn hdfs my set is : conf.set("fs.defaultFS", "e3hdapp:9000"); conf.set("fs.hdfs.impl", "org.apache.hadoop.hdfs.DistributedFileSystem"); conf.set("fs.AbstractFileSystem.hdfs.impl", ...
    Deng dereekDeng dereek
    May 23, 2013 at 7:31 am
    Aug 3, 2013 at 5:24 pm
  • Hello, I am trying to configure CDH4.2.1 with HDFS HA and Jobtracker HA (MRv1), using the same logical name for dfs.nameservices and mapred.job.tracker. (in hdfs-site.xml) <property <name ...
    Koichi HarakawaKoichi Harakawa
    May 22, 2013 at 8:44 am
    Jul 10, 2013 at 10:23 am
  • Hi all, I am a newbie to cloudera mahout. As part of my learning I would like to install Mahout(cdh3u3 version) on my linux machine(cent os 6.5). Can anyone help me out to install mahout and to run ...
    Athira ashokAthira ashok
    May 3, 2013 at 7:01 am
    Jun 22, 2013 at 8:38 pm
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213 users for May 2013

Harsh J: 56 posts Serega Sheypak: 28 posts StaticVoid: 21 posts Alejandro Abdelnur: 20 posts Nicolas Maillard: 20 posts Sanjay Subramanian: 19 posts Jarek Jarcec Cecho: 18 posts Hua beatls: 13 posts Baisus13: 11 posts Brock Noland: 11 posts Gary Malouf: 11 posts Jean-Marc Spaggiari: 11 posts Mikhail Cherepnev: 11 posts Aaron T. Myers: 10 posts Ashraf Mothi: 10 posts Mukhtaj Khan: 10 posts Srinivasan Ramalingam: 10 posts Vishnu karthik: 10 posts Sandy Ryza: 9 posts Corgone: 8 posts
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