adding hive-user and hive-dev lists. And removing the common mailing list..
Can you elaborate a bit on the datasize. By default Hive should just be relying on hadoop to give you the number of mappers depending on the number of splits you have in your data. Ashish -----Original Message----- From: Touretsky, Gregory [mailto:gregory.touret...@intel.com] Sent: Monday, October 12, 2009 3:02 AM To: Touretsky, Gregory; common-u...@hadoop.apache.org Subject: RE: Hive and MapReduce Ok, the patch below actually works. Re-built Hadoop cluster and everything works now. Now I have to understand how to force Hive to run >1 mapper for complicated query on the large table... From: Touretsky, Gregory Sent: Sunday, October 11, 2009 4:39 PM To: common-u...@hadoop.apache.org Cc: Touretsky, Gregory Subject: Hive and MapReduce Hi, I'm running Hadoop 0.20.1 and Hive (checked out revision 824063). Direct MapReduce task succeeds, but Map task created by Hive fails: hive> select * from pokes where foo>100; Total MapReduce jobs = 1 Number of reduce tasks is set to 0 since there's no reduce operator Starting Job = job_200910111626_0001, Tracking URL = http://itstl0016.iil.intel.com:50030/jobdetails.jsp?jobid=job_200910111626_0001 Kill Command = /nfs/iil/disks/rep_tests_gtouret01/hadoop/bin/hadoop job -Dmapred.job.tracker=itstl0016.iil.intel.com:9001 -kill job_200910111626_0001 2009-10-11 04:26:57,844 map = 100%, reduce = 100% Ended Job = job_200910111626_0001 with errors FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.ExecDriver >From the logs/hadoop-UUUU-jobtracker-XXXX.iil.intel.com.log: 2009-10-11 16:26:56,829 INFO org.apache.hadoop.mapred.JobInProgress: Initializing job_200910111626_0001 2009-10-11 16:26:57,091 INFO org.apache.hadoop.mapred.JobInProgress: Input size for job job_200910111626_0001 = 13. Number of splits = 1 2009-10-11 16:26:57,225 ERROR org.apache.hadoop.mapred.JobTracker: Job initialization failed: java.lang.IllegalArgumentException: Network location name contains /: /IDC1-DC201/WE/34 (I've had the same issue with the /default_rack) at org.apache.hadoop.net.NodeBase.set(NodeBase.java:75) at org.apache.hadoop.net.NodeBase.<init>(NodeBase.java:57) at org.apache.hadoop.mapred.JobTracker.addHostToNodeMapping(JobTracker.java:2390) at org.apache.hadoop.mapred.JobTracker.resolveAndAddToTopology(JobTracker.java:2384) at org.apache.hadoop.mapred.JobInProgress.createCache(JobInProgress.java:349) at org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:450) at org.apache.hadoop.mapred.JobTracker.initJob(JobTracker.java:3147) at org.apache.hadoop.mapred.EagerTaskInitializationListener$InitJob.run(EagerTaskInitializationListener.java:79) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) 2009-10-11 16:26:57,225 INFO org.apache.hadoop.mapred.JobTracker: Failing job job_200910111626_0001 2009-10-11 16:26:57,866 INFO org.apache.hadoop.mapred.JobTracker: Killing job job_200910111626_0001 Any suggestion? I saw patches in https://issues.apache.org/jira/browse/HADOOP-5759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12712524#action_12712524, but I can't apply all of them cleanly to my Hadoop sources... Thanks, Gregory --------------------------------------------------------------------- Intel Israel (74) Limited This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies.
