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https://issues.apache.org/jira/browse/HIVE-1649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guo Hongjie updated HIVE-1649:
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Attachment: 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-305.1.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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