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https://issues.apache.org/jira/browse/HADOOP-10591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064015#comment-14064015
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Hadoop QA commented on HADOOP-10591:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12656112/HADOOP-10591.002.patch
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 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) 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 in
hadoop-common-project/hadoop-common:
org.apache.hadoop.fs.TestSymlinkLocalFSFileContext
org.apache.hadoop.ipc.TestIPC
org.apache.hadoop.fs.TestSymlinkLocalFSFileSystem
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/4295//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/4295//console
This message is automatically generated.
> Compression codecs must used pooled direct buffers or deallocate direct
> buffers when stream is closed
> -----------------------------------------------------------------------------------------------------
>
> Key: HADOOP-10591
> URL: https://issues.apache.org/jira/browse/HADOOP-10591
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Hari Shreedharan
> Assignee: Colin Patrick McCabe
> Attachments: HADOOP-10591.001.patch, HADOOP-10591.002.patch
>
>
> Currently direct buffers allocated by compression codecs like Gzip (which
> allocates 2 direct buffers per instance) are not deallocated when the stream
> is closed. Eventually for long running processes which create a huge number
> of files, these direct buffers are left hanging till a full gc, which may or
> may not happen in a reasonable amount of time - especially if the process
> does not use a whole lot of heap.
> Either these buffers should be pooled or they should be deallocated when the
> stream is closed.
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