[jira] Assigned: (HIVE-410) Heartbeating for streaming jobs should not depend on stdout

["Ashish Thusoo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ashish Thusoo reassigned HIVE-410:
----------------------------------

    Assignee: Ashish Thusoo

> 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
>
> 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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