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Posted to dev@chukwa.apache.org by "Mac Yang (JIRA)" <ji...@apache.org> on 2009/04/28 01:41:30 UTC

[jira] Created: (CHUKWA-192) Chukwa instrumentation slows down JobTracker operations

Chukwa instrumentation slows down JobTracker operations
-------------------------------------------------------

                 Key: CHUKWA-192
                 URL: https://issues.apache.org/jira/browse/CHUKWA-192
             Project: Hadoop Chukwa
          Issue Type: Bug
            Reporter: Mac Yang


The current JobTracker instrumentation class holds a lock on JobTracker while it waits for the JobHistory lock and this causes slow down of JobTracker operations.

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[jira] Work stopped: (CHUKWA-192) Chukwa instrumentation slows down JobTracker operations

Posted by "Jerome Boulon (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CHUKWA-192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on CHUKWA-192 stopped by Jerome Boulon.

> Chukwa instrumentation slows down JobTracker operations
> -------------------------------------------------------
>
>                 Key: CHUKWA-192
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-192
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>            Reporter: Mac Yang
>            Assignee: Jerome Boulon
>
> The current JobTracker instrumentation class holds a lock on JobTracker while it waits for the JobHistory lock and this causes slow down of JobTracker operations.

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[jira] Assigned: (CHUKWA-192) Chukwa instrumentation slows down JobTracker operations

Posted by "Jerome Boulon (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CHUKWA-192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jerome Boulon reassigned CHUKWA-192:
------------------------------------

    Assignee:     (was: Jerome Boulon)

> Chukwa instrumentation slows down JobTracker operations
> -------------------------------------------------------
>
>                 Key: CHUKWA-192
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-192
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>            Reporter: Mac Yang
>
> The current JobTracker instrumentation class holds a lock on JobTracker while it waits for the JobHistory lock and this causes slow down of JobTracker operations.

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[jira] Work started: (CHUKWA-192) Chukwa instrumentation slows down JobTracker operations

Posted by "Jerome Boulon (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CHUKWA-192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on CHUKWA-192 started by Jerome Boulon.

> Chukwa instrumentation slows down JobTracker operations
> -------------------------------------------------------
>
>                 Key: CHUKWA-192
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-192
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>            Reporter: Mac Yang
>            Assignee: Jerome Boulon
>
> The current JobTracker instrumentation class holds a lock on JobTracker while it waits for the JobHistory lock and this causes slow down of JobTracker operations.

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[jira] Commented: (CHUKWA-192) Chukwa instrumentation slows down JobTracker operations

Posted by "Jerome Boulon (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CHUKWA-192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12709160#action_12709160 ] 

Jerome Boulon commented on CHUKWA-192:
--------------------------------------

Hadoop team is working on writing a secondary copy of the data using log4j

> Chukwa instrumentation slows down JobTracker operations
> -------------------------------------------------------
>
>                 Key: CHUKWA-192
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-192
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>            Reporter: Mac Yang
>            Assignee: Jerome Boulon
>
> The current JobTracker instrumentation class holds a lock on JobTracker while it waits for the JobHistory lock and this causes slow down of JobTracker operations.

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This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


[jira] Assigned: (CHUKWA-192) Chukwa instrumentation slows down JobTracker operations

Posted by "Jerome Boulon (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CHUKWA-192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jerome Boulon reassigned CHUKWA-192:
------------------------------------

    Assignee: Jerome Boulon

> Chukwa instrumentation slows down JobTracker operations
> -------------------------------------------------------
>
>                 Key: CHUKWA-192
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-192
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>            Reporter: Mac Yang
>            Assignee: Jerome Boulon
>
> The current JobTracker instrumentation class holds a lock on JobTracker while it waits for the JobHistory lock and this causes slow down of JobTracker operations.

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This message is automatically generated by JIRA.
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You can reply to this email to add a comment to the issue online.