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272 discussions - 816 posts

  • I am trying to execute a hive query from JDBC CLient.I am using Hiveserver2 currently. A very basic query throws SQL exception only from the JDBC CLient and not from the CLI * The queries shown below ...
    Varunkumar ManoharVarunkumar Manohar
    Jul 12, 2013 at 2:57 am
    Jul 15, 2013 at 4:47 pm
  • Hi Every body, Can any one explain to me how to *move files from a local directory to HDFS using oozie workflow*. i tried the following but it did not work: <fs <move ...
    Jul 9, 2013 at 10:29 am
    Jul 10, 2013 at 5:06 pm
  • Hello, I am upgrading Oozie/Hive/Hadoop from cdh3 to cdh4.2.1. My custom UDFs are not making it onto the mapreduce classpath. The interesting part is that the launcher job conf shows all the custom ...
    Luke ForehandLuke Forehand
    Jul 1, 2013 at 9:01 pm
    Jul 3, 2013 at 4:58 pm
  • We recently had a LDAP outage which caused Hive-Server2 to crash. I know that when a user submits something, it gets group information of that user via a command to retrieve this in LDAP. I would ...
    Benjamin KimBenjamin Kim
    Jul 11, 2013 at 5:07 pm
    Nov 13, 2013 at 8:52 pm
  • Hi All, I'm trying to install Cloudera Search and running into problems. I have a 12 node cluster (with CentOS 6) that is happily running CDH 4.3, managed by CDH Manager 4.6. Downloading and ...
    Oliver MeynOliver Meyn
    Jul 26, 2013 at 8:57 am
    Sep 6, 2013 at 1:50 pm
  • Hi team, We are getting error while hadoop command. [vp#####@HOSTNAME ~]$ hadoop fs -ls ls: Call From HOSTNAME/###.###.###.## to localhost:8020 failed on connection exception ...
    Pabale VikasPabale Vikas
    Jul 24, 2013 at 11:37 am
    Aug 12, 2013 at 7:31 am
  • I just got the QuickStart VM on VMware {CentOS 6.2, CDH4.3, Cloudera Manager 4.6, Cloudera Impala 1.0.1 and Cloudera Search .9 Beta}. I was looking for a simple tutorial for running a MapReduce Job ...
    Jul 31, 2013 at 10:38 pm
    Aug 2, 2013 at 7:32 pm
  • I am using a WHERE clause in a select statement and I am getting the error attached in the logs, the particular table I am querying is using RegEx for ROWFORMAT. Would this particular format cause ...
    Gerardo DelgadoGerardo Delgado
    Jul 27, 2013 at 6:15 pm
    Oct 7, 2013 at 4:45 am
  • Hi, Am trying to copy hbase table to remote cluster via kerberos cross-realms. But its failing with below error. Below is krb5.conf Has anyone got it working ? Any pointers would be helpful. # hbase ...
    Ram ChanderRam Chander
    Jul 17, 2013 at 11:42 am
    Jul 23, 2013 at 4:02 pm
  • Hi I've set up Kerberos on a CDH4 single-node cluster, per the instructions here: http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH4/4.2.0/CDH4-Security-Guide/cdh4sg_topic_3.html ...
    Sam RobertsSam Roberts
    Jul 9, 2013 at 7:34 pm
    Jul 18, 2013 at 12:47 am
  • After clicking on the start cloudera manager webpage and its "please wait while services are started - you will be automatically redirected when they are available", the core mapred and hdfs services ...
    Stephen BoeschStephen Boesch
    Jul 2, 2013 at 4:52 pm
    Jul 2, 2013 at 10:15 pm
  • Hi, I have downloaded the cloudera beta version which includes SOLR. Could you please provide me the link to add HBase-Indexer service as well its setup please Thanks Abhi -- --- You received this ...
    Abhishek KapoorAbhishek Kapoor
    Jul 15, 2013 at 1:04 pm
    Sep 30, 2013 at 5:42 pm
  • Hi, This is defect where distcp fails for large files from cdh3 to cdh4. Looks like this defect is in cdh 4.2.1 ? Could somebody confirm ? Is there a work-around for making distcp work ? or upgrade ...
    Anurag TangriAnurag Tangri
    Jul 30, 2013 at 12:02 am
    Sep 10, 2013 at 6:28 pm
  • I install sqoop2 and it is started great. but how if i want to use postgresql instead of derby for the jdbc repository provider? here is the block in sqoop.properties, what is format if i want to use ...
    Rex ZhenRex Zhen
    Jul 30, 2013 at 6:54 pm
    Jul 31, 2013 at 1:57 am
  • Hi all: if there are thousands of columns in a column family, will there be a performance issue when putting or getting a column's value. PS: I am using CDH4.3. thanks very. -- 不学习,不知道 -- --- You ...
    Jul 22, 2013 at 3:53 am
    Jul 24, 2013 at 6:30 am
  • Hi, I am trying to run a Map Reduce job where in the reduce i want to extract Hive table information. I am doing my development in Eclipse and exporting the whole project as a jar file with the class ...
    Praveen kumarPraveen kumar
    Jul 3, 2013 at 10:10 am
    Jul 15, 2013 at 6:22 am
  • Hi All, As we know, normally we will use HDFS to store big files (eg. size up to terabytes and more). However, I wonder how we could upload such big files into HDFS? Besides using manual upload using ...
    Jul 5, 2013 at 2:55 pm
    Jul 11, 2013 at 9:52 am
  • We are using "Hadoop 0.20.2-cdh3u2" with "Oozie client build version: 2.3.2-cdh3u2" We are trying to run a distcp workflow action with "-update" flag. This action attempts to copy around 5 TB of data ...
    Jul 24, 2013 at 5:33 am
    May 14, 2014 at 4:07 am
  • Does the Oozie SLA database have a GUI? If yes, do point me to the documentation for the same? Thanks. Anagha -- --- You received this message because you are subscribed to the Google Groups "CDH ...
    Anagha A KhanolkarAnagha A Khanolkar
    Jul 9, 2013 at 2:30 am
    May 7, 2014 at 12:11 am
  • I am trying to use sqoop2, but can not find a way to change the field delimiter. With sqoop I could provide --fields-terminated-by '\0x001'. Is there a way to do this on sqoop2? Thanks, Devika -- --- ...
    Devika NairDevika Nair
    Jul 23, 2013 at 3:11 pm
    Sep 2, 2013 at 9:11 am
  • i install hadoop CDH4.3 (package install) ,it seems have preblem in autofailover option ,i checked error log find the following information 2013-07-29 16:40:28,636 INFO ...
    Ch huangCh huang
    Jul 29, 2013 at 12:54 am
    Jul 30, 2013 at 1:48 am
  • Hi all, I lost one of my namenode machines, and automatic failover did not happen. I was wondering if someone knew the command line method of manually causing this to happen? I know it can be done ...
    Chris NealChris Neal
    Jul 17, 2013 at 5:03 pm
    Jul 17, 2013 at 7:18 pm
  • Hi, Newbie question... I have my own file format. The files are saved on HDFS. I would like HCatalog to facilitate to read those files by Hive. Something like: Hive MyFiles Where should I start with? ...
    Subroto SanyalSubroto Sanyal
    Jul 5, 2013 at 3:33 pm
    Jul 10, 2013 at 7:14 am
  • Hi, Running cdh4.3.0 and hbase-0.94.6+96-1.cdh4.3.0. I can create, clone, and scan snapshots with just a few rows. But if I insert a few million rows and then try to take a snaphot, I get a timeout ...
    Jul 2, 2013 at 4:01 pm
    Jul 3, 2013 at 12:14 pm
  • Hi, I am getting some issue configuring cloudera search with flume solr sink. The data from avro source & trying to push it to hbaseSink and solrSink. Though I don't get any exception, but it seems ...
    Kumar, Deepak8Kumar, Deepak8
    Jul 1, 2013 at 8:50 am
    Jul 2, 2013 at 10:06 am
  • Hey guys, Since the time when Cloudera VM stopped to be Ubuntu-based (VMWare only) I've always had this problem with VirtualBox (which is the preferred VM for me). I can't install Guest Additions ...
    Ruslan Al-FakikhRuslan Al-Fakikh
    Jul 1, 2013 at 12:00 pm
    Jul 1, 2013 at 12:32 pm
  • Hi, Could you please guide me the optimum number of log events the HBaseSink can process in a second. Currently my application is generating 5000 log events/second but there is much backlog & it ...
    Kumar, Deepak8Kumar, Deepak8
    Jul 29, 2013 at 5:55 pm
    Jan 17, 2014 at 6:39 am
  • Writing a simple kerberos program that connects to a CDH4 cluster and does something, eg. list files: I get the UGI by logging in to a keytab. This works fine. The rest of it is in the doAs ...
    Sam RobertsSam Roberts
    Jul 25, 2013 at 1:54 am
    Jan 9, 2014 at 9:38 pm
  • Hi All- What is the best practice to setup Cloudera Manager free edition on already running cluster. The cluster was setup using tar. I can bring the running cluster down for few hours if that is ...
    Kashif KhanKashif Khan
    Jul 25, 2013 at 4:10 am
    Jul 28, 2013 at 3:26 pm
  • We recently pointed the "metastore" database to a MySQL instance now when I go into the Hive console and run commands I get the error below. Any ideas on what could be wrong? hive show databases ...
    Gerardo DelgadoGerardo Delgado
    Jul 18, 2013 at 7:17 pm
    Jul 22, 2013 at 12:39 am
  • Hi, I have ~5TB of data stored in HDFS and I run Hadoop MapReduce jobs on it. Now I need also to have random access to this data....so I started to learn about HBase. I want to ask you guys if it's ...
    Tudor LapusanTudor Lapusan
    Jul 12, 2013 at 1:09 pm
    Jul 15, 2013 at 6:01 am
  • Hi everyone, I'm working through the tutorial at http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html#Writing_an_ApplicationMaster and had some questions ...
    Anand PatilAnand Patil
    Jul 10, 2013 at 7:51 pm
    Jul 10, 2013 at 8:13 pm
  • Hi Guys, It's pretty awkward situation Day before yesterday i'm able to see CM web UI but today am not able to listen 7180 port. Though I'm able to see the job tracker web UI by 50030 but not ...
    Ravi SharmaRavi Sharma
    Jul 8, 2013 at 8:18 am
    Jul 9, 2013 at 6:48 am
  • Hi, i am trying to run oozie workflow that execute Shell Action every hour. the shell action is to move files from one directory to another in hdfs. i have test the shell script using commands: chmod ...
    Jul 24, 2013 at 7:46 am
    Mar 7, 2014 at 11:04 am
  • Hi, I have setup my Hadoop cluster using CDH4 with 4 regionserver and 2 master. I am getting below error when I tried to create a table. hbase(main):001:0 create 'my_table1', 'firsttable' *ERROR ...
    Shaikh AhmedShaikh Ahmed
    Jul 18, 2013 at 9:35 am
    Nov 5, 2013 at 4:02 pm
  • Hi All I used cdh4.3 this is one of my job,I modifty yarn.nodemanager.local-dirs and yarn.nodemanager.log-dirs,and hadoop tmp directory,but it is not useful where I need set directory to map tmp ...
    Jul 30, 2013 at 6:14 am
    Jul 31, 2013 at 1:51 am
  • Hi, Can anyone tell me how i can map a hive table with a Hbase table? give me a very simple example. thanks in advance. -- --- You received this message because you are subscribed to the Google ...
    Nancy jeanNancy jean
    Jul 30, 2013 at 9:04 am
    Jul 30, 2013 at 10:09 am
  • The CDH4 HA docs are mostly good when setting up a brand new cluster with quorum-based HA. However, they are pretty slim when it comes to adding HA to an existing cluster. I've mostly figured this ...
    Andrew OttoAndrew Otto
    Jul 29, 2013 at 4:29 pm
    Jul 29, 2013 at 7:23 pm
  • I would like to install a Hive client so I can send queries remotely from a desktop outside the Cloudera Cluster. I tried to install the hive-jdbc client via apt-get but it tells me it can't find the ...
    Gerardo DelgadoGerardo Delgado
    Jul 26, 2013 at 2:53 pm
    Jul 28, 2013 at 4:18 pm
  • Hi, I am trying to copy 22 TB of data from CHD3u3 to CDH4.2 using discp. It taking 15 Hrs to copy 600GB of data. So as per my calculation to transfer 22 TB it will take 23 Days. Is there any better ...
    Jul 24, 2013 at 1:32 pm
    Jul 24, 2013 at 7:45 pm
  • I build a 3 node CDH cluster using Cluder Manager and everything work fine. However, when I add more nodes into the cluster, I'll have problem running hadoop commands on the new nodes. I logon to the ...
    Ben ChiuBen Chiu
    Jul 19, 2013 at 2:36 am
    Jul 24, 2013 at 6:49 am
  • My host inpspection report showing that, I had been installed Hcatalog. How can I access Hcatalog from cdh4 hue? Please help us.. -- --- You received this message because you are subscribed to the ...
    Murali DharMurali Dhar
    Jul 19, 2013 at 2:01 am
    Jul 24, 2013 at 4:50 am
  • Hi I have a Java /Tomcat app running on Windows 7, and I need to authenticate against a CDH4 cluster and run map reduce jobs. I have this app working on Linux with a MIT 1.10 KDC. What should I do to ...
    Sam RobertsSam Roberts
    Jul 20, 2013 at 8:38 am
    Jul 21, 2013 at 1:44 pm
  • I got nothing on "$ rpm -ql sqoop2 | grep /usr/lib/sqoop2/lib". Is this directory created by rpm or I have to create by myself. ]$ ps -ef | grep sqoop2 sqoop2 22008 1 0 16:39 ? 00:00:10 ...
    Jul 18, 2013 at 11:22 pm
    Jul 19, 2013 at 4:00 pm
  • Hello, According to this link: https://issues.apache.org/jira/browse/OOZIE-1259 , there is a bug in Oozie that Sqoop action cannot connect to HBase using Sqoop import. Is there anyone who knows ...
    Dan HanDan Han
    Jul 10, 2013 at 7:37 pm
    Jul 16, 2013 at 4:39 pm
  • Hello, In Cloudera 4.3/Cloudera Manger 4.5 - in order to use short-circuit reads in a MapReduce job which reads from an HBase table: Do I need to set: dfs.client.read.shortcircuit = true for the ...
    David KochDavid Koch
    Jul 10, 2013 at 5:23 pm
    Jul 11, 2013 at 7:46 am
  • I am using CDH4.2.1, when using Hive, if execute select * from a_table; it reports : OK *Failed with exception java.io.IOException:java.lang.RuntimeException: native snappy library not available ...
    Jul 8, 2013 at 2:41 am
    Jul 10, 2013 at 1:37 am
  • Hi All, I had came across that Sqoop2 currently provide the web-based GUI that exposes a simple user interface. I am having issue on setting up the web-based GUI. The CDH that I am using is ...
    Jul 9, 2013 at 10:57 am
    Jul 9, 2013 at 3:48 pm
  • Hi Guys, I'm using Cloudera manager. I want to set the path of "-Djava.io.tmpdir". So that i opened hadoop-env.sh and done the modification. but surprisingly after that my hadoop-env.sh file content ...
    Ravi SharmaRavi Sharma
    Jul 8, 2013 at 5:45 am
    Jul 8, 2013 at 6:20 am
  • Hello, I am trying to load data with pig using user-defined functions (namely JSON with the Elephantbird library and WARC files with Archive-Tools) on Cloudera 4.6.0. Until now, I had no success. It ...
    Robert JäschkeRobert Jäschke
    Jul 29, 2013 at 5:01 pm
    Jul 30, 2013 at 3:29 pm
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239 users for July 2013

Harsh J: 60 posts Gerardo Delgado: 25 posts Jarek Jarcec Cecho: 20 posts Serega Sheypak: 17 posts Sean Mackrory: 16 posts Ravi Sharma: 15 posts Mikhail Cherepnev: 13 posts Sam Roberts: 13 posts Chiewyea: 12 posts Alejandro Abdelnur: 12 posts Zhu Wayne: 12 posts Kumar, Deepak8: 10 posts Luke Forehand: 10 posts Stephen Boesch: 10 posts Yuhe: 10 posts Aaron T. Myers: 9 posts Panfei: 9 posts Romain Rigaux: 9 posts Roy: 9 posts Hari Sekhon: 8 posts
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