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https://issues.apache.org/jira/browse/HIVE-7273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14041902#comment-14041902
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George Wong commented on HIVE-7273:
-----------------------------------
I can not provide a simple query to trigger this issue.
In our prod environment, the query is a little bit complex. We use lateral view
and put multiple insert in one query shot. The data size of the input is
roughly about 170GB.
I am trying to reproduce this issue in my local env. So far, I can not
reproduce it.
But I changed the code logic as my proposal. Then, the query succeeded.
Could you show me the code about create the finalOutputPath in ExecDriver? I
would like to go through the code of dir creation. It may be helpful to find
out the reproduce step.
Thanks.
> Hive job fails due to unable to rename reducer output file
> ----------------------------------------------------------
>
> Key: HIVE-7273
> URL: https://issues.apache.org/jira/browse/HIVE-7273
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.12.0
> Reporter: George Wong
>
> We ran into this issue in our cluster.
> The error message is like this
> {noformat}
> org.apache.hadoop.hive.ql.metadata.HiveException: Unable to rename output
> from:
> hdfs://***:8020/tmp/hive-svcckppi/hive_2014-06-16_20-24-09_584_6615934756634587679/_task_tmp.-ext-10002/_tmp.000000_3
> to:
> hdfs://***:8020/tmp/hive-svcckppi/hive_2014-06-16_20-24-09_584_6615934756634587679/_tmp.-ext-10002/000000_3
> at
> org.apache.hadoop.hive.ql.exec.FileSinkOperator$FSPaths.commit(FileSinkOperator.java:197)
> at
> org.apache.hadoop.hive.ql.exec.FileSinkOperator$FSPaths.access$300(FileSinkOperator.java:108)
> at
> org.apache.hadoop.hive.ql.exec.FileSinkOperator.closeOp(FileSinkOperator.java:867)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:588)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:597)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:597)
> at
> org.apache.hadoop.hive.ql.exec.ExecReducer.close(ExecReducer.java:309)
> at
> org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:470)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:407)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:158)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1478)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:153)
> {noformat}
> The log of NameNode shows
> {noformat}
> 2014-06-16 20:43:38,582 WARN org.apache.hadoop.hdfs.StateChange: DIR*
> FSDirectory.unprotectedRenameTo: failed to rename
> /tmp/hive-svcckppi/hive_2014-06-16_20-24-09_584_6615934756634587679/_task_tmp.-ext-10002/_tmp.000000_3
> to
> /tmp/hive-svcckppi/hive_2014-06-16_20-24-09_584_6615934756634587679/_tmp.-ext-10002/000000_3
> because destination's parent does not exist
> {noformat}
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