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Posted to dev@hive.apache.org by "Carl Steinbach (JIRA)" <ji...@apache.org> on 2013/01/12 01:02:13 UTC
[jira] [Assigned] (HIVE-1649) Ability to update counters and status
from TRANSFORM scripts
[ https://issues.apache.org/jira/browse/HIVE-1649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Carl Steinbach reassigned HIVE-1649:
------------------------------------
Assignee: Guo Hongjie
@Guo: Can you post a review request on reviewboard or phabricator? Directions explaining how to do this are on the wiki. Thanks.
> 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
> Affects Versions: 0.6.0
> Reporter: Carl Steinbach
> Assignee: Guo Hongjie
> 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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