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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7086) Enhance ResourceChecker to log stack trace for potentially hanging threads
Date Fri, 02 Nov 2012 17:33:11 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-7086:
--------------------------

    Attachment: 7086.94

Patch for 0.94 branch.

Trunk has different class structure.
                
> Enhance ResourceChecker to log stack trace for potentially hanging threads
> --------------------------------------------------------------------------
>
>                 Key: HBASE-7086
>                 URL: https://issues.apache.org/jira/browse/HBASE-7086
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>         Attachments: 7086.94
>
>
> Currently ResourceChecker logs a line similar to the following if it detects potential
thread leak:
> {code}
> 2012-11-02 10:18:59,299 INFO  [main] hbase.ResourceChecker(157): after master.cleaner.TestHFileCleaner#testTTLCleaner:
44 threads (was 43), 145 file descriptors (was 145). 0 connections,  -thread leak?-
> {code}
> We should enhance the log to include stack trace of the potentially hanging thread(s)
> This work was motivated when I investigated test failure in HBASE-6796

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