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Posted to dev@hive.apache.org by "Robert Surówka (Updated JIRA)" <ji...@apache.org> on 2011/10/05 00:22:34 UTC

[jira] [Updated] (HIVE-2446) Introduction of client statistics publishers possibility

     [ https://issues.apache.org/jira/browse/HIVE-2446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Surówka updated HIVE-2446:
---------------------------------

    Attachment: HIVE-2446.3.patch
    
> Introduction of client statistics publishers possibility
> --------------------------------------------------------
>
>                 Key: HIVE-2446
>                 URL: https://issues.apache.org/jira/browse/HIVE-2446
>             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
>
>   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 HiveConf.java: "hive.client.stats.publishers" and "hive.client.stats.counters". First one specifies classes names, whose instances will be executed by HadoopJobExecHelper.java (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 HadoopJobExecHelper.java 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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