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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7435) BuiltInGzipDecompressor is only released during full GC
Date Tue, 25 Dec 2012 08:36:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13539387#comment-13539387
] 

Hadoop QA commented on HBASE-7435:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12562347/7435-0.96.txt
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 2 warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.client.TestFromClientSideWithCoprocessor

     {color:red}-1 core zombie tests{color}.  There are 2 zombie test(s): 

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/3688//console

This message is automatically generated.
                
> 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
>             Fix For: 0.96.0, 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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