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From "Ning Zhang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-1403) Reporting progress to JT during closing files in FileSinkOperator
Date Mon, 14 Jun 2010 20:17:13 GMT
Reporting progress to JT during closing files in FileSinkOperator
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                 Key: HIVE-1403
                 URL: https://issues.apache.org/jira/browse/HIVE-1403
             Project: Hadoop Hive
          Issue Type: Bug
            Reporter: Ning Zhang
            Assignee: Ning Zhang


If there are too many files need to be closed in FileSinkOperator (e.g., if DynamicPartition/FileSpray
is turned on), there could be many files generated by each task and they need to be closed
at the FileSinkOperator.closeOp(). If the NN is overloaded each file close could take more
than 1 sec. This sometimes make JT think the task is dead since it takes too long to close
all the files and without any progress report. We need to report progress after a while during
file closing. 

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