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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7086) Enhance ResourceChecker to log stack trace for potentially hanging threads
Date Mon, 05 Nov 2012 01:36:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13490378#comment-13490378
] 

Hudson commented on HBASE-7086:
-------------------------------

Integrated in HBase-0.94-security-on-Hadoop-23 #9 (See [https://builds.apache.org/job/HBase-0.94-security-on-Hadoop-23/9/])
    HBASE-7086 Enhance ResourceChecker to log stack trace for potentially hanging threads,
addendum (Revision 1405207)
HBASE-7086 Enhance ResourceChecker to log stack trace for potentially hanging threads (Revision
1405081)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/ResourceChecker.java

tedyu : 
Files : 
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/ResourceChecker.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/ResourceCheckerJUnitRule.java

                
> 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
>            Assignee: Ted Yu
>             Fix For: 0.94.3, 0.96.0
>
>         Attachments: 7086.94, 7086-94.addendum, 7086-trunk.txt, 7086-trunk-v2.txt, 7086-trunk-v3.txt,
testHFileCleaner.out
>
>
> 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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