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https://issues.apache.org/jira/browse/HIVE-480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718884#action_12718884
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Namit Jain commented on HIVE-480:
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a lot of tests failed - can you fix and resubmit the patch
> allow option to retry map-reduce tasks
> --------------------------------------
>
> Key: HIVE-480
> URL: https://issues.apache.org/jira/browse/HIVE-480
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Joydeep Sen Sarma
> Attachments: HIVE-480.1.patch
>
>
> for long running queries with multiple map-reduce jobs - this should help in
> dealing with any transient cluster failures without having to re-running all
> the tasks.
> ideally - the entire plan can be serialized out and the actual process of
> executing the workflow can be left to a pluggable workflow execution engine
> (since this is a problem that has been solved many times already).
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