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From "Hudson (Commented) (JIRA)" <>
Subject [jira] [Commented] (HIVE-2446) Introduction of client statistics publishers possibility
Date Tue, 18 Oct 2011 23:05:10 GMT


Hudson commented on HIVE-2446:

Integrated in Hive-trunk-h0.21 #1019 (See [])
    HIVE-2487: Bug from HIVE-2446, the code that calls client stats publishers should be inside
the while loop (Robert Surówka via He Yongqiang)

heyongqiang :
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/

> Introduction of client statistics publishers possibility
> --------------------------------------------------------
>                 Key: HIVE-2446
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Clients, Statistics
>            Reporter: Robert Surówka
>            Assignee: Robert Surówka
>            Priority: Minor
>             Fix For: 0.8.0
>         Attachments: HIVE-2446.1.patch, HIVE-2446.1.patch, HIVE-2446.2.patch, HIVE-2446.2.patch,
HIVE-2446.3.patch, HIVE-2446.3.patch
>   Original Estimate: 1h
>  Remaining Estimate: 1h
> The purpose of this change is to allow publication or storage of counters while the job
is running.
> Introduced two new variables to hive-default.xml and "hive.client.stats.publishers"
and "hive.client.stats.counters". First one specifies classes names, whose instances will
be executed by (similarly as hooks are) in its method progress(ExecDriverTaskHandle):
MapRedStats. Second one specifies list of counters that any client stat publishers should
publish or stored. Details regarding format of this list is up to a specific deployment (it
is up to client stats publishers to parse it), yet it is required to use display names of
counter groups and counters.
> Added interface ClientStatsPublishers in org.apache.hadoop.hive.ql.stats package, that
must be implemented by all stats publishers.
> Added code to progress(ExecDriverTaskHandle): MapRedStats from
that puts counters' values to a Java map and then executes registered client stats publishers
giving them that map and running job id. Added two new methods to HadoopJobExecHelper: extractAllCounterValues(Counters)
and getClientStatsPublishers() that are used by code from previous sentence.
> Made cosmetic changes in two other classes

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