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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9401) CodecPool: Add counters for number of (de)compressors leased out
Date Wed, 03 Apr 2013 22:35:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13621436#comment-13621436
] 

Hudson commented on HADOOP-9401:
--------------------------------

Integrated in Hadoop-trunk-Commit #3558 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/3558/])
    HADOOP-9401. CodecPool: Add counters for number of (de)compressors leased out. (kkambatl
via tucu) (Revision 1464219)

     Result = SUCCESS
tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1464219
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/CodecPool.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/compress/TestCodecPool.java

                
> CodecPool: Add counters for number of (de)compressors leased out
> ----------------------------------------------------------------
>
>                 Key: HADOOP-9401
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9401
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.0.3-alpha
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>             Fix For: 2.0.5-beta
>
>         Attachments: hadoop-9401.patch, hadoop-9401.patch, hadoop-9401.patch, hadoop-9401.patch,
hadoop-9401.patch
>
>
> CodecPool enables reusing compressors/decompressors created. However, the onus is on
the user to return the compressors/decompressors to the pool, and can be easily missed.
> It would be quite handy to keep track of the total number of compressors/decompressors
created and helper methods to check outstanding (not returned) compressors/decompressors.
It immediately allows Hadoop and downstream projects to write unit tests for the same.

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