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https://issues.apache.org/jira/browse/HADOOP-9401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622022#comment-13622022
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Hudson commented on HADOOP-9401:
--------------------------------
Integrated in Hadoop-Yarn-trunk #174 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/174/])
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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