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https://issues.apache.org/jira/browse/HADOOP-3067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12582513#action_12582513
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Hadoop QA commented on HADOOP-3067:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12378509/HADOOP-3067.patch
against trunk revision 619744.
@author +1. The patch does not contain any @author tags.
tests included -1. The patch doesn't appear to include any new or modified
tests.
Please justify why no tests are needed for this patch.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new javac compiler
warnings.
release audit +1. The applied patch does not generate any new release
audit warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests +1. The patch passed core unit tests.
contrib tests +1. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2073/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2073/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2073/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2073/console
This message is automatically generated.
> DFSInputStream 'pread' does not close its sockets
> -------------------------------------------------
>
> Key: HADOOP-3067
> URL: https://issues.apache.org/jira/browse/HADOOP-3067
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Reporter: Raghu Angadi
> Assignee: Raghu Angadi
> Priority: Blocker
> Fix For: 0.17.0
>
> Attachments: HADOOP-3067.patch, HADOOP-3067.patch
>
>
> {{DFSInputStream.read(int, buffer)}} does not close the sockets it opens.
> Main reason this problem did not show up till now is that pread interface is
> not used much.
> TestCrcCorruption failure first reported in HADOOP-2902 is caused by this
> bug. Hadoop 0.17 uses more file descriptors for each thread waiting on socket
> io. Since client does not close sockets, it leaves a lot of DataNode threads
> waiting in the unit test.
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