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232 discussions - 774 posts

  • secondary namenode service unable to perform checkpoint due to large fsimage, however, this can be resolved by HDFS-4301<https://issues.apache.org/jira/browse/HDFS-4301 . The question is can we ...
    Willy ChangWilly Chang
    Feb 6, 2013 at 7:05 pm
    Feb 7, 2013 at 7:16 pm
  • First of all, I am having HiveServer2 problems where all operations are handled under the context of the "hive" user. Even when using beeline, I pass in my user account when connecting and all the ...
    Benjamin KimBenjamin Kim
    Feb 21, 2013 at 4:48 pm
    Feb 25, 2013 at 10:39 pm
  • Hello IAN, i DID GRANT ALL but now i get this new error : hive select tables; FAILED: ParseException line 1:7 cannot recognize input near 'tables' '<EOF ' '<EOF ' in select clause --
    Kavish AhujaKavish Ahuja
    Feb 22, 2013 at 12:44 pm
    Feb 23, 2013 at 4:38 pm
  • Hi, I'm using CHD4 installed with Cloudera Manager on a ubuntu 12.04 server in the cloud (single node). I'm using simple authentication (i.e. not using any kerberos authentications) I have a file on ...
    Frederick TuckerFrederick Tucker
    Feb 6, 2013 at 9:49 pm
    Feb 7, 2013 at 10:11 pm
  • Where can I find Java Client API for HttpFS? --
    CDHUserCDHUser
    Feb 25, 2013 at 10:52 pm
    Apr 22, 2013 at 1:43 pm
  • Hi All Can you plese tell me why I am getting error while loading data from SAP HANA to Hadoop HDFS using sqoop (4.1.2). Error Log: java.io.IOException: SQLException in nextKeyValue at ...
    Samir das mohapatraSamir das mohapatra
    Feb 21, 2013 at 6:28 am
    Feb 21, 2013 at 4:17 pm
  • Hi, I am just asking a very basic question that there is any performance issue of python program in hadop? Actually, I am runing some scientific algorithm which contain lots of mathimatically ...
    Mukhtaj KhanMukhtaj Khan
    Feb 2, 2013 at 5:34 pm
    Feb 20, 2013 at 1:32 am
  • Hi , Mine is a 4 node cluster , of which 1 is master n rest 3 are slaves. I installed oozie server on master , installed oozie client to all the slaves. I can able to access oozie webconsole on the ...
    Srikanth ayalasomayajuluSrikanth ayalasomayajulu
    Feb 4, 2013 at 9:43 am
    Feb 9, 2013 at 12:19 am
  • I am trying to install CDH4 with Tarballs. 2 Problems : 1) When i start dfs service i m getting this error. Although i am able to see contents of HDFS and load data to HDFS. Web UI for Jobtracker and ...
    Pradeep BhadaniPradeep Bhadani
    Feb 6, 2013 at 10:29 am
    Feb 6, 2013 at 5:00 pm
  • I'm still working through the Hive query language and admittedly I'm looking for a quick fix or idea here. I know that unlike SQL, Hive only supports equality joins, but I'm trying to see how I can ...
    CorgoneCorgone
    Feb 1, 2013 at 2:19 am
    Feb 2, 2013 at 8:04 pm
  • HI, I have 10 VMs cluster and when I run the job on cluster, the job always running on one node and not running parallel on all the nodes. Could some one tell me why the job is not distributed on all ...
    Mukhtaj KhanMukhtaj Khan
    Feb 26, 2013 at 7:31 pm
    Feb 26, 2013 at 10:01 pm
  • Hi folks. I just installed CDH 4 with Cloudera manager. The services I installed are hdfs, hbase, mapreduce, oozie, zookeeper. From Cloudera manager web portal, all of them are health. And I can also ...
    Balto JennaBalto Jenna
    Feb 9, 2013 at 4:56 pm
    Nov 6, 2013 at 3:07 am
  • I followed cloudera instruction to install CDH4 in pseudo mode sudo apt-get install hadoop-0.20-pseudo-conf but after install , when i list all the files installed - no hadoop-env.sh file under conf ...
    Pradeep BhadaniPradeep Bhadani
    Feb 1, 2013 at 8:26 am
    Apr 22, 2013 at 10:10 am
  • Hey all, I have a 5-node cluster running CDH4.1.2 using MRv1. I'm trying to figure out how to set up Hadoop/HDFS on my Mac so I can use it to submit jobs to the cluster, running HDFS commands and ...
    Daan DebieDaan Debie
    Feb 17, 2013 at 2:15 am
    Apr 18, 2013 at 6:48 am
  • I have checked the home page for both Active & Standby NameNode showing just (1) Live Nodes. Both NN, having the same Cluster ID and different Block Pool ID. But the number of DataNodes is not equal ...
    Alicia LeongAlicia Leong
    Feb 20, 2013 at 12:55 am
    Feb 22, 2013 at 6:25 am
  • Hi, New user to Sqoop here. I love the whole Cloudera infrastructure, although it takes some work to get working. I am currently trying to import a MySQL table using Sqoop with a column that contains ...
    Alexandre DenaultAlexandre Denault
    Feb 13, 2013 at 11:00 pm
    Feb 17, 2013 at 10:02 pm
  • Hi i am using CDH3u3 which has hive 0.7.1 version. I was looking for .hiverc file but i am unable to find at $HIVE_HOME and $HIVE_HOME/conf. is there any other file alternative to .hiverc? --
    Pradeep BhadaniPradeep Bhadani
    Feb 11, 2013 at 4:34 pm
    Feb 13, 2013 at 4:21 am
  • Your error does not appear to indicate a data loss akin to losing all files (i.e. a format). The error merely states that the blocks pertaining to the files have not yet reported in, a message that ...
    Harsh JHarsh J
    Feb 8, 2013 at 11:52 pm
    Feb 11, 2013 at 6:14 pm
  • Hello! I've hit all problems imaginable when trying to use Pig for scalable data integration. I'd really appreciate if you tell me where to look at the problem for this one ...
    Y. I. AboulNagaY. I. AboulNaga
    Feb 10, 2013 at 12:03 am
    Feb 11, 2013 at 1:14 pm
  • I am trying to transfer data from one cluster (clusterA) to other (clusterB). Both are having CDH4.1 I am giving command from cluster A like : hadoop distcp hdfs://clusterAnamenode/tmp/file.txt ...
    Pradeep BhadaniPradeep Bhadani
    Feb 8, 2013 at 4:08 am
    Feb 9, 2013 at 2:45 am
  • HI, I am new to CDH4 and Hadoop. I am trying to run the wordcountexample and getting the following Errors. Can you please correct me and let me know what the issue is : == WordCount.java:25 ...
    New to nosqlNew to nosql
    Feb 28, 2013 at 3:27 am
    Feb 28, 2013 at 6:23 am
  • Hi, I have setup a test HBase cluster(version 0.92.1) using Cloudera Manager. Is there a location on the RegionServer or the Masters where the HBase client jar for that server version is located? I ...
    Rahul RavindranRahul Ravindran
    Feb 18, 2013 at 3:33 pm
    Feb 22, 2013 at 7:34 pm
  • Hi Jing, The <span class="m_body_email_addr" title="858a0c8e479a78c1038b7355244ec07c" user@hadoop.apache.org</span lists are for vanilla Apache Hadoop version based questions, which your question ...
    Harsh JHarsh J
    Feb 19, 2013 at 9:37 am
    Feb 20, 2013 at 1:51 pm
  • CDH4.1 running on Linux. Occasionally, one of the DataNode daemons fails to start, so I am trying to figure out why and am having no luck with it so far. In the latest incident, I tried to start ...
    Vitaly numentaVitaly numenta
    Feb 8, 2013 at 4:32 am
    Feb 9, 2013 at 2:47 am
  • All I see this error in the master log Caught throwable while processing event M_SERVER_SHUTDOWN java.io.IOException: failed log splitting for test,60020,1359630828725, will retry at ...
    BencBenc
    Feb 2, 2013 at 9:09 am
    Feb 2, 2013 at 7:05 pm
  • On behalf of the Cloudera Manager team, I'm proud to announce the general availability of Cloudera Manager 4.5<https://ccp.cloudera.com/display/SUPPORT/Cloudera+Manager+Downloads . This release packs ...
    bc Wongbc Wong
    Feb 26, 2013 at 4:02 pm
    Mar 29, 2013 at 10:10 pm
  • I have been trying to get the sqoop imprt working with no luck so far. I have tried the Sqoop Users group but it seems to be disbanded. See the below command and exception sqoop import --driver ...
    CDHUserCDHUser
    Feb 20, 2013 at 11:11 pm
    Mar 5, 2013 at 4:23 am
  • Hi, Does anyone use CDH4's Hadoop with Cassandra to interact? The goal is simply read/write to Cassandra from Hadoop direclty using ColumnFamilyInputFormat, but seems a bit compatibility issue. There ...
    Yang SongYang Song
    Feb 16, 2013 at 3:01 am
    Mar 1, 2013 at 11:59 am
  • Hello, A new version of Apache Pig version 0.11 has been released, with a lot of new and useful features. Any approximate date by when will we get the updated release of Pig in CDH 4? Any approximate ...
    Panshul WhisperPanshul Whisper
    Feb 26, 2013 at 6:32 pm
    Feb 26, 2013 at 11:49 pm
  • All, I am looking into some best practices for laying directories on HDFS similar to how one would layout directories on a Linux distribution (e.g. /etc for configuration, /usr/local for custom local ...
    Shawn HermansShawn Hermans
    Feb 19, 2013 at 8:17 pm
    Feb 25, 2013 at 2:13 am
  • --
    AbhishekAbhishek
    Feb 21, 2013 at 11:47 pm
    Feb 22, 2013 at 4:49 pm
  • Hello, We have an existing cluster in production with the following components installed: Oozie 3.1.3+155 HDFS (CDH4 only) 2.0.0+91 Hue Plugins 2.0.0+59 Zookeeper 3.4.3+15 Hue 2.0.0+59 MapReduce 1 ...
    AsherAsher
    Feb 14, 2013 at 5:07 pm
    Feb 15, 2013 at 11:46 pm
  • Hi Guys, It's recommenced do with removing one the datanode in production cluster. via Decommission the particular datanode. please guide me. -Dhanasekaran, Did I learn something today? If not, I ...
    Dhanasekaran AnbalaganDhanasekaran Anbalagan
    Feb 12, 2013 at 11:50 am
    Feb 14, 2013 at 6:37 am
  • Hi Patai, I moved your question to <span class="m_body_email_addr" title="86a2600876a028bfc6f8cbcf265c9e54" cdh-user@cloudera.org</span , since your issue may be CDH specific (given presence of some ...
    Harsh JHarsh J
    Feb 5, 2013 at 5:26 am
    Feb 8, 2013 at 11:55 pm
  • Hi , I have used CDH3u3 for long time. For CDH3u3 installation there was no requirement to create any specific folder structure in HDFS. When i read cloudera article ( ...
    Pradeep BhadaniPradeep Bhadani
    Feb 1, 2013 at 8:41 am
    Feb 4, 2013 at 4:15 am
  • Hi, I am trying to use Kerberos for authenticating CDH4 users. I am following the "CDH4_Security_Guide_4.1" provided by Cloudera. Accordingly, I have added hdfs/FQDN@REALM, mapred/FQDN@REALM and ...
    Gaurav DasguptaGaurav Dasgupta
    Feb 26, 2013 at 8:09 am
    Dec 4, 2013 at 6:14 pm
  • Hi Guys, We have configured many Heap size related thing. in Hadoop for ex. Namenode's Java Heap Size in bytes. Secondary namenode's Java Heap Size in bytes. Balancer's Java Heap Size in bytes ...
    Dhanasekaran AnbalaganDhanasekaran Anbalagan
    Feb 5, 2013 at 5:08 pm
    Mar 15, 2013 at 4:08 pm
  • I tried asking this on the hadoop user list but got no answers, so I thought I'd try here. I'd like to run straight, unmodified binary data through a map-only streaming job. I don't need input splits ...
    JayqhackerJayqhacker
    Feb 13, 2013 at 1:41 pm
    Feb 21, 2013 at 5:05 pm
  • Hi Guys, I am trying to view jobhistory.jsp page, It's shows Arry indexoutof Bound Error How to resolve this Problem accessing /jobhistory.jsp. Reason: 1 Caused by ...
    Dhanasekaran AnbalaganDhanasekaran Anbalagan
    Feb 21, 2013 at 10:25 am
    Feb 21, 2013 at 1:34 pm
  • Hi User, Is cdh4.1.3 mrv2(hadoop-2.0.0+556) compatible with cdh4.1.3 hbase( hbase-0.92.1+165) in link https://ccp.cloudera.com/display/SUPPORT/CDH4+Downloadable+Tarballs? Thanks & Best Regards, Jing ...
    Jing wangJing wang
    Feb 21, 2013 at 8:47 am
    Feb 21, 2013 at 10:56 am
  • Hi all, I'm running hive-0.9.0-cdh4.1.3. I've created an external table partitioned across year, month, and day. It works fine until I write a query that causes multiple MR jobs to be run. Then I get ...
    Chad BourqueChad Bourque
    Feb 14, 2013 at 4:36 pm
    Feb 15, 2013 at 7:08 pm
  • Hi everyone I am using Cloudera manager 4.1.2 and I have added a second node to my hadoop cluster, making it now a real cluster no more a pseudo one. To be more precise I have added a second machine ...
    Nicolas MaillardNicolas Maillard
    Feb 14, 2013 at 4:28 pm
    Feb 15, 2013 at 11:01 am
  • I am trying to backup (with *distcp*)* *my Hadoop cluster so that I can upgrade it without losing all of my data. I am trying to go* from nn01-qa.ny3/ to medium01.ny3/backup *Right now, it doesn't ...
    Gordon FogusGordon Fogus
    Feb 10, 2013 at 4:50 am
    Feb 11, 2013 at 10:31 pm
  • We just deployed CDH 4.1.2 and noticed that our NameNode will clobbered with a high sys% (around 50%, spread across multiple cores). This holds up the JobTracker and Oozie, because all file system ...
    Joe CrobakJoe Crobak
    Feb 7, 2013 at 10:24 pm
    Feb 9, 2013 at 2:22 am
  • Hi guys, when i was run crunch map reduce program in cloudera 4..12 version.i am getting the below error,any body please give the solution. Exception in thread "main" java.lang.NoClassDefFoundError ...
    SrinivasanSrinivasan
    Feb 4, 2013 at 9:27 am
    Feb 5, 2013 at 4:46 am
  • Hey folks, Just thought I would share some instructions for getting oozie to work with s3 in CDH4.1.2. It took me quite a while to sort this out because oozie was swallowing ClassNotFoundException's ...
    Joe CrobakJoe Crobak
    Feb 9, 2013 at 1:31 am
    Feb 24, 2014 at 9:59 am
  • An update : I was able to run the datanode from a comman shell ( outside of Cloudera Manager) by setting the environment properties (JSVC_HOME etc) on a root shell and then running "hdfs datanode" ...
    Himanish KusharyHimanish Kushary
    Feb 23, 2013 at 11:27 am
    May 9, 2013 at 7:21 pm
  • Hi all! I'm working on figuring out how to DRY some of our most common pig statements into predefined macros. Our initial data LOAD statement is currently copy/pasted in many different pig files. I'd ...
    Andrew OttoAndrew Otto
    Feb 7, 2013 at 8:46 pm
    Mar 13, 2013 at 4:47 pm
  • Hi dear all, My cluster has 8 nodes. out of 8, 4 nodes (4/8) are dead. How I can make live. Specially, tasktracker show bad. Many thanks Best regards, M Khan --
    Mukhtaj KhanMukhtaj Khan
    Feb 28, 2013 at 4:31 pm
    Mar 5, 2013 at 1:08 pm
  • I have been trying to run an oozie workflow from the CLI (I have problems with the Oozie Dashboard in HUE which I am trying to post in the HUE_USERS group). The issue I am having is the first action ...
    CDHUserCDHUser
    Feb 28, 2013 at 7:30 pm
    Mar 1, 2013 at 4:09 pm
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199 users for February 2013

Harsh J: 91 posts Pradeep Bhadani: 30 posts Dhanasekaran Anbalagan: 25 posts Srikraj8341: 21 posts Mukhtaj Khan: 16 posts Samir das mohapatra: 16 posts Alejandro Abdelnur: 14 posts Benjamin Kim: 14 posts Mark Grover: 13 posts Brock Noland: 12 posts Jarek Jarcec Cecho: 12 posts Gordon Fogus: 11 posts Willy Chang: 11 posts Benc: 10 posts Nicolas Maillard: 10 posts Sandy Ryza: 9 posts Wes D: 9 posts Alicia Leong: 7 posts Gaurav Dasgupta: 7 posts Rahul Ravindran: 7 posts
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