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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-410) Heartbeating for streaming jobs should not depend on stdout
Date Wed, 20 May 2009 18:07:45 GMT

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

Namit Jain updated HIVE-410:

    Status: Patch Available  (was: Open)

> 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.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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