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From Peter Marron <>
Subject Creating Indexes again
Date Fri, 23 Nov 2012 08:47:17 GMT

I'm trying to create indexes in Hive, and I've switched
to using CDH-4. The creation of the index is failing and
it's pretty obvious that the reducers are running out of
heap space. When I use the web interface for the
"Hadoop reduce task list" I can find this entry:

Error: Java heap space
Error: GC overhead limit exceeded$AlreadyExistsException: EEXIST: File exists
        at org.apache.hadoop.mapred.TaskLog.writeToIndexFile(
        at org.apache.hadoop.mapred.TaskLog.syncLogs(
        at org.apache.hadoop.mapred.Child$
        at Method)
        at org.apache.hadoop.mapred.Child.main(
Caused by: EEXIST: File exists
        at Method)
        ... 7 more

Error: GC overhead limit exceeded


If Also when the
If Also when the

If Also when the

If this e-mail shouldn't be here and should only be on
a cloudera mailing list, please re-direct me.

Thanks in advance.

Peter Marron
Trillium Software UK Limited

Tel : +44 (0) 118 940 7609
Fax : +44 (0) 118 940 7699

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