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https://issues.apache.org/jira/browse/HIVE-1100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805577#action_12805577
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Namit Jain commented on HIVE-1100:
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I think both pre-execution and post-execution hooks should be fired exactly
once.
Pre hooks can be fired the first time, and post once only if the query succeeds
> Make it possible for users to retry map-reduce jobs in a single Hive query
> --------------------------------------------------------------------------
>
> Key: HIVE-1100
> URL: https://issues.apache.org/jira/browse/HIVE-1100
> Project: Hadoop Hive
> Issue Type: New Feature
> Affects Versions: 0.6.0
> Reporter: Zheng Shao
> Assignee: Zheng Shao
>
> Sometimes a single hive query get compiled into several map-reduce jobs, and
> one of the jobs failed because of some transient errors.
> Users would need to start from scratch.
> We should allow the user to start from the point of failure to continue the
> query.
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