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https://issues.apache.org/jira/browse/HIVE-410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711367#action_12711367
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Namit Jain commented on HIVE-410:
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+1
looks good - will commit once the tests pass
> Heartbeating for streaming jobs should not depend on stdout
> -----------------------------------------------------------
>
> Key: HIVE-410
> URL: https://issues.apache.org/jira/browse/HIVE-410
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Venky Iyer
> Assignee: Ashish Thusoo
> Priority: Blocker
> Attachments: patch-410-2.txt, patch-410.txt
>
>
> jobs that require iterative processing may take longer than 10 mins to
> produce rows. This shouldn't be cause to kill the job. Producing keepalive
> dummy rows to stdout is bad if the data has to go into a Hive table or other
> Hive steps.
> If we adopt the solution of using stderr to indicate heartbeats, can that be
> combined with streaming counters
> (http://hadoop.apache.org/core/docs/current/streaming.html#How+do+I+update+counters+in+streaming+applications%3F
> )? Also, will limitations on size of stderr break this?
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