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From "Guo Hongjie (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-1649) Ability to update counters and status from TRANSFORM scripts
Date Thu, 10 Jan 2013 08:10:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guo Hongjie updated HIVE-1649:
------------------------------

    Attachment:     (was: HIVE-305.1.patch)
    
> Ability to update counters and status from TRANSFORM scripts
> ------------------------------------------------------------
>
>                 Key: HIVE-1649
>                 URL: https://issues.apache.org/jira/browse/HIVE-1649
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Carl Steinbach
>         Attachments: HIVE-1649.1.patch
>
>
> Hadoop Streaming supports the ability to update counters and status by writing specially
coded messages to the script's stderr stream.
> A streaming process can use the stderr to emit counter information. {{reporter:counter:<group>,<counter>,<amount>}}
should be sent to stderr to update the counter.
> A streaming process can use the stderr to emit status information. To set a status, {{reporter:status:<message>}}
should be sent to stderr.
> Hive should support these same features with its TRANSFORM mechanism.

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