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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7435) BuiltInGzipDecompressor is only released during full GC
Date Sun, 17 Mar 2013 05:48:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13604513#comment-13604513
] 

Hudson commented on HBASE-7435:
-------------------------------

Integrated in HBase-0.94 #907 (See [https://builds.apache.org/job/HBase-0.94/907/])
    HBASE-8125 HBASE-7435 breaks BuiltInGzipDecompressor on Hadoop < 1.0.x (Ted Yu) (Revision
1457370)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/io/hfile/Compression.java

                
> BuiltInGzipDecompressor is only released during full GC
> -------------------------------------------------------
>
>                 Key: HBASE-7435
>                 URL: https://issues.apache.org/jira/browse/HBASE-7435
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.95.0, 0.94.4
>
>         Attachments: 7435-0.94.txt, 7435-0.96.txt
>
>
> That seems to be bug in Hadoop, actually.
> BuiltInGzipDecompressor.end() needs to be called to release it's resource, but it is
not called anywhere in CodecPool.
> Instead the end() is called by finalize(), which is only called during a full gc (or
never, depending on JVM).
> This is only an issue in test. In real life most folks will have the native GzipDecompressor

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