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116 discussions - 451 posts

  • I've installed a three node Cloudera CDH3 cluster, but I have some key gaps in my understanding of what's going on. While I can run the examples from the command line (as root), I have been ...
    CorCor
    May 16, 2012 at 4:36 pm
    May 16, 2012 at 8:43 pm
  • Hello, I tries to use LZO with HBase 0.92.1-cdh4.0.0b2 (CDH4.2) and i have the following problem: 2012-05-25 10:38:45,016 INFO org.apache.hadoop.hbase.regionserver.HRegion: Setting up tabledescriptor ...
    Sebastien NahelouSebastien Nahelou
    May 25, 2012 at 8:49 am
    Jun 21, 2012 at 11:35 am
  • I installed CDH manager agent on my CDH4 node, and it shows up as a host on Cloudera Manager. However, when I try to add HDFS Service, I am getting failures... Has anyone tried this and do you have ...
    RituRitu
    May 11, 2012 at 2:35 pm
    Jul 19, 2012 at 5:33 pm
  • My problem is when I run " hbase master start" 12/05/14 09:16:07 INFO ipc.HBaseRpcMetrics: Initializing RPC Metrics with hostName=HMaster, port=60000 12/05/14 09:16:07 INFO ...
    Dalia SobhyDalia Sobhy
    May 14, 2012 at 1:22 pm
    May 15, 2012 at 7:34 pm
  • Hello, I am trying to install CDH3 and followed all the steps given in "Quick Start Guide" to install in pseudo distributed environment. I am running all the 5 services in a single node. I start all ...
    NikhilNikhil
    May 22, 2012 at 2:24 am
    May 23, 2012 at 5:28 pm
  • Hello, In beta 1, the DistributedShell work well once the classpath was taken care of. In beta 2, it does not work at all. Using CentOS 6 VM and pseudo- distributed mode (installed according to the ...
    Kamil Bajda-PawlikowskiKamil Bajda-Pawlikowski
    May 1, 2012 at 9:38 pm
    Aug 8, 2012 at 10:44 pm
  • All, I have installed CDH3 hadoop in a 4VM cluster with one* namenode (hdpname)*, one *secondarynamenode (hdpsecname)* and two *datanodes (hdpdata1 and hdpdata2)*. I have followed the instruction on ...
    Gdtm86Gdtm86
    May 28, 2012 at 10:03 pm
    May 29, 2012 at 1:32 am
  • Since we are running our system in ec2 environment, the default / is quite less. All other storages are used by the datanode for storing the hdfs blocks. What is the best/suggested method for ...
    V vV v
    May 30, 2012 at 11:11 am
    Jun 13, 2012 at 3:59 am
  • I configured the oozie-defaults file to include the hive action xsd but now oozie fails on startup because it can't find it. Where does it look? How can I put that file in a place it will find? ...
    Max ZiffMax Ziff
    May 17, 2012 at 3:54 am
    May 18, 2012 at 5:55 am
  • Hi, I´ve developed a pair of Map Reduce jobs and they work perfectly when running in a local namenode or in the Cloudera CDH3u4 virtual machine using the hadoop shell command. Hadoop is configured in ...
    Raul_ArabaolazaRaul_Arabaolaza
    May 16, 2012 at 3:48 pm
    May 16, 2012 at 6:45 pm
  • Hi folks, I'm pretty stuck here. I've been researching for hours and I haven't made any forward progress on this one. I have a vmWare installation of Cloudera Hadoop 0.20. The following commands to ...
    Todd McFarlandTodd McFarland
    May 19, 2012 at 3:16 pm
    Jul 22, 2012 at 1:31 pm
  • Hi, I am trying to setup a 2-node Hadoop cluster using CDH4-Beta2, which I will use to install HBase on top of them. I want the cluster to be highly available; the system must keep functioning ...
    Murat Derya OzenMurat Derya Ozen
    May 25, 2012 at 1:01 pm
    May 30, 2012 at 12:22 am
  • Hi, I moved from CDH3 to CDH4 beta2 and did a clean install. On ubuntu apt-get install hbase does not re-generate the config files in /etc/ hbase The old ones does not seem to be compatible, how do I ...
    Håvard Wahl KongsgårdHåvard Wahl Kongsgård
    May 23, 2012 at 1:30 pm
    May 23, 2012 at 8:05 pm
  • When i look into the hadoop-core.jar, i see the DistributedCache is present in org/apache/hadoop/filecache/DistributedCache.class, while the error stackstrace says, it is looking in different ...
    V vV v
    May 15, 2012 at 3:34 am
    May 16, 2012 at 7:43 pm
  • After setting all the right env vars in the right files, I have managed to resolve all my prev issues but now am faced with my latest one. None of my map/reduce jobs seem to complete. I am running ...
    DanoomistmatisteDanoomistmatiste
    May 31, 2012 at 10:37 pm
    May 23, 2013 at 6:18 am
  • Hi, I have installed the CDH4B2 tarball on my macbook pro. I have set the classpath to point to all the right hadoop jars. When I try to start the namenode with hadoop-daemon.sh script, I get these ...
    DanoomistmatisteDanoomistmatiste
    May 28, 2012 at 10:36 pm
    Mar 5, 2013 at 12:31 am
  • I have CHD3 latest update installed in standalone mode in Ubuntu 11.10. I installed Hue (sudo apt-get install hue). It completed with no errors. When I type hue in putty, it says "command not ...
    AnanthuAnanthu
    May 15, 2012 at 1:10 pm
    May 15, 2012 at 2:22 pm
  • Hi All, Which is the best monitoring tool for Hadoop cluster monitoring? Ganglia or Nagios? Thanks, Manu S
    Manu SManu S
    May 11, 2012 at 5:31 am
    May 14, 2012 at 7:26 am
  • after execute a hive query , I want to export the data , but it says: Traceback (most recent call last): File "/usr/share/hue/desktop/core/src/desktop/lib/wsgiserver.py", line 1198, in communicate ...
    AirAir
    May 7, 2012 at 2:52 am
    May 11, 2012 at 1:55 pm
  • Hi, I am migrating from Apache hadoop 0.20.205 to CDH3u3. I don't want to lose the data that is in the HDFS of Apache hadoop 0.20.205. How do I migrate to CDH3u3 but keep the data that I have on ...
    AustinAustin
    May 2, 2012 at 12:33 pm
    May 7, 2012 at 11:29 am
  • I am following the steps as mentioned in "http://code.google.com/a/ apache-extras.org/p/hadoop-gpl-compression/wiki/FAQ". But when i do "ant compile-native tar" it is failing saying i can't find ...
    V vV v
    May 1, 2012 at 7:50 pm
    May 2, 2012 at 8:18 pm
  • Hey all, I started getting some LeaseExceptions and after looking at some past threads on here and digging through the logs, I'm somewhat at a loss to explain what's happening... Pastebin of snippet ...
    Andrew NguyenAndrew Nguyen
    May 29, 2012 at 11:12 pm
    Sep 13, 2012 at 9:23 pm
  • Hi, I have installed the tarball for CDH4B2. I have started the processes for dfs, yarn and jobhistory and when I do a jps, I see these procs running, 1823 NameNode 2034 ResourceManager 2114 ...
    DanoomistmatisteDanoomistmatiste
    May 29, 2012 at 6:59 pm
    May 29, 2012 at 10:55 pm
  • for some reason, I meed to transfer data between hive and oracle 11g, I found that orahive is suitable for this case. there are some questions: 1. does it support oracle 11g ? 2. downloading orahive ...
    AirAir
    May 23, 2012 at 10:28 am
    May 24, 2012 at 1:41 am
  • Hi, We are trying to set up a cluster running on CDH capable of working with around 30TB of data with a yearly increase of around 10TB. Our infra team came up with the below specs. I'm not 100% in ...
    Rakesh Neelavar RaoRakesh Neelavar Rao
    May 18, 2012 at 4:16 pm
    May 21, 2012 at 3:43 pm
  • bcc: flume-user@incubator.apache.org This issue involves a version of Flume distributed with CDH, so moving to cdh-user@cloudera.org which is the proper support channel. Thanks, Mike
    Mike PercyMike Percy
    May 11, 2012 at 8:17 pm
    May 18, 2012 at 7:05 pm
  • Good Morning, I currently have Hive 0.7.1+42.43-2 which I installed via the Cloudera repo. I need Hive 0.8.1 because of new functionality. I've installed it, and tried to upgrade my MySQL metastore ...
    Mike DenningMike Denning
    May 15, 2012 at 12:57 pm
    May 15, 2012 at 7:03 pm
  • We've been fighting a memory issue on our Job Tracker where it will get into a high GC time and eventually get OOMErrors. This generally takes a few days with it running for at most a week before ...
    John MeagherJohn Meagher
    May 4, 2012 at 2:12 pm
    May 4, 2012 at 11:47 pm
  • Hi, I'm trying to set up an oozie coordinator job like the one in the use-cases document <https://github.com/yahoo/oozie/wiki/Oozie-Coord-Use-Cases on github. That is, something that runs daily and ...
    Max ZiffMax Ziff
    May 21, 2012 at 4:17 pm
    Apr 22, 2013 at 1:47 pm
  • I have Kerberos and SPNEGO enabled (CDH3u1). with network.negotiate-auth.trusted-uris. Oozie version used is : oozie-client-2.3.2+27.12-1.noarch oozie-2.3.2+27.12-1.noarch I have set ...
    Singh KaramSingh Karam
    May 28, 2012 at 9:20 am
    Jun 15, 2012 at 1:45 pm
  • Hi all, I am installing CDH3 distro through Cloudera Manager - this is the first time I am installing this. I am getting the following error - Installing: hue-hadoop-auth-plugin noarch 3.7.5.1-1 ...
    RituRitu
    May 18, 2012 at 10:13 pm
    Jun 5, 2012 at 5:58 am
  • Hi, We are in process of setting up a cluster and have been trying to convince the infrastructure teams with the idea of having more lower spec machines than fewer machines with higher processing ...
    Rakesh Neelavar RaoRakesh Neelavar Rao
    May 24, 2012 at 4:45 pm
    May 29, 2012 at 3:03 pm
  • I have a small 10 node cluster setup , consisting mostly linux boxes and running CHD3U3 . I also have a couple of windows machines lying around and I intend on installing only the tasktrackers on ...
    HadenHaden
    May 22, 2012 at 4:33 am
    May 29, 2012 at 7:43 am
  • Hi, I was browsing and found CDH3u5 issues page. https://issues.cloudera.org/secure/ReleaseNote.jspa?projectId=10021&version=10202 Any idea when it will be released? Thanks & regards, Austin
    Austin ChungathAustin Chungath
    May 22, 2012 at 6:02 am
    May 26, 2012 at 12:37 pm
  • Hello, I begin with Autofailover and i have a problem with the fence. When my active node crash (obench23s), autofailover (on obench24s my standby namenode) launch the fencing process and i have the ...
    Sebastien Nahelou2Sebastien Nahelou2
    May 23, 2012 at 8:02 am
    May 25, 2012 at 9:21 am
  • Hi, Does the cloudera gpg key use DSA or RSA encryption? http://archive.cloudera.com/redhat/6/x86_64/cdh/RPM-GPG-KEY-cloudera Thanks, Siva
    SivaSiva
    May 21, 2012 at 5:17 pm
    May 23, 2012 at 5:42 am
  • I am in the process of upgrading from CDH3U3 to CDH3U4. I have completed the Cloudera Manager Free Edition upgrade and am trying to upgrade the CDH3 components, starting with Core Hadoop. I get the ...
    C CC C
    May 18, 2012 at 4:27 pm
    May 18, 2012 at 8:34 pm
  • Hi all My question is a basic one regarding HDFS architecture. For example, if I insert a large file and it contains big big paragraphs. Forget about the map reduce. If I do a query with HDFS (for ...
    Roshan PradeepRoshan Pradeep
    May 16, 2012 at 5:05 am
    May 16, 2012 at 6:16 am
  • Hi I have imported some large amount of data from PostgreSQL to Hadoop using Sqoop. All went well and no error on log files. After that I tried to get the maximum id value from my table via Hive, but ...
    Roshan PradeepRoshan Pradeep
    May 9, 2012 at 3:21 am
    May 9, 2012 at 7:08 am
  • Hi I am using - Hadoop 0.20.2 - Hive 0.8.1 - Sqoop 1.4.1-incubating in my sample project. Currently I am importing data from PostgreSQL to Hive table using Sqoop. My database table in PostgreSQL has ...
    Roshan PradeepRoshan Pradeep
    May 7, 2012 at 2:42 am
    May 7, 2012 at 5:15 am
  • We've been running Cloudera Hadoop on a 3 node cluster (1 x namenode, 3 x data nodes) for about 5 months now. We've recently had a problem where the replication of blocks doesn't appear to be ...
    LeepaLeepa
    May 30, 2012 at 6:48 am
    Aug 27, 2012 at 3:17 pm
  • This installer's default behavior is to install packages from the Internet it display the following error 1. Run cloudera-manager-installer.bin. I get the following errors 2.install-jdk.x86_64.log ...
    Jim NeofotistosJim Neofotistos
    May 21, 2012 at 8:58 pm
    Jul 18, 2012 at 4:05 pm
  • (For the CDH question, am moving this to cdh-user@cloudera.org lists, bcc'd hdfs-user@apache) As the message goes, you're missing the sbin package in your cdh3u3 install at least. I have secured DN ...
    Harsh JHarsh J
    May 11, 2012 at 5:57 am
    Jun 6, 2012 at 2:09 am
  • Attempting to access WebHDFS on a fresh install of CDH4 beta 2 conjures up this error: $ curl -i -X GET "http://127.0.0.1:50075/webhdfs/v1/test?op=OPEN" HTTP/1.1 500 Internal Server Error ...
    JohnstoJohnsto
    May 28, 2012 at 2:48 pm
    Jun 1, 2012 at 7:18 pm
  • Good morning, Pertinent Configurations: Hadoop Distro: CDH3 Quantity: ~90 Hard Drives: (1) 80 GB - Most nodes use this as OS only, some use this for OS+HDFS (1-2) 2TB ...
    ModemideModemide
    May 25, 2012 at 11:49 am
    May 31, 2012 at 2:32 pm
  • /usr/share/hue/build/env/bin/hue syncdb --noinput when i tried this command , the error was File "/usr/share/hue/build/env/lib/python2.5/site-packages/ Django-1.2.3-py2.5.egg/django/db/__init__.py", ...
    Soham sardarSoham sardar
    May 31, 2012 at 10:58 am
    May 31, 2012 at 1:57 pm
  • Hi everyone, I am trying to do a copy of data between 0.20.2-cdh3u3 and 0.23.0- cdh4b1 versions, however it is failing. When looking into the namenode logs, I can see that it is invalidating the ...
    DavidgevorkyanDavidgevorkyan
    May 23, 2012 at 12:53 am
    May 25, 2012 at 5:48 am
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    Anthony RajAnthony Raj
    May 24, 2012 at 5:45 pm
    May 25, 2012 at 3:45 am
  • Hi, I'm using the cloudera demo vm and my goal is to use oozie jobs to populate a hive table, then run queries using hue. I think I need to supply a hive-defaults.xml to my oozie job that matches the ...
    Max ZiffMax Ziff
    May 19, 2012 at 9:00 pm
    May 23, 2012 at 3:50 pm
  • /etc/hosts 127.0.0.1 localhost 10.0.2.3 namenode.dalia.com 10.0.2.5 datanode3.dalia.com 10.0.2.6 datanode1.dalia.com 10.0.2.42 datanode2.dalia.com /etc/hostname namenode.dalia.com And I am always ...
    Dalia SobhyDalia Sobhy
    May 18, 2012 at 10:43 am
    May 21, 2012 at 9:00 pm
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131 users for May 2012

Harsh J: 51 posts Joey Echeverria: 26 posts V v: 19 posts Roman Shaposhnik: 14 posts Air: 12 posts Alejandro Abdelnur: 9 posts Cor: 9 posts Dalia Sobhy: 9 posts Danoomistmatiste: 9 posts Max Ziff: 9 posts Roshan Pradeep: 9 posts Todd Lipcon: 9 posts Sebastien Nahelou: 8 posts Austin Chungath: 8 posts Gdtm86: 8 posts Ananthu: 7 posts Raúl Arabaolaza: 7 posts Bejoy KS: 6 posts Manu S: 6 posts Mike Denning: 6 posts
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