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From "Jerome Boulon (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (CHUKWA-192) Chukwa instrumentation slows down JobTracker operations
Date Fri, 11 Dec 2009 05:17:18 GMT

     [ 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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