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https://issues.apache.org/jira/browse/HADOOP-3429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12601894#action_12601894
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Hadoop QA commented on HADOOP-3429:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12382627/patch-3429.txt
against trunk revision 662667.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no tests are needed for this patch.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2545/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2545/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2545/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2545/console
This message is automatically generated.
> Increase the buffersize for the streaming parent java process's streams
> -----------------------------------------------------------------------
>
> Key: HADOOP-3429
> URL: https://issues.apache.org/jira/browse/HADOOP-3429
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/streaming
> Reporter: Devaraj Das
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.18.0
>
> Attachments: patch-3429.txt
>
>
> We saw improved performance when we increased the buffersize for Pipes
> (HADOOP-1788). In the streaming case, the buffersize is 8K (default for
> BufferedOutputStream). We should set that to 128k.
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