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https://issues.apache.org/jira/browse/HDFS-1081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12890122#action_12890122
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Hadoop QA commented on HDFS-1081:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12449889/HDFS-1081-trunk.patch
against trunk revision 965621.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+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 failed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/439/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/439/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/439/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h5.grid.sp2.yahoo.net/439/console
This message is automatically generated.
> Performance regression in DistributedFileSystem::getFileBlockLocations in
> secure systems
> ----------------------------------------------------------------------------------------
>
> Key: HDFS-1081
> URL: https://issues.apache.org/jira/browse/HDFS-1081
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: security
> Affects Versions: 0.22.0
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Fix For: 0.22.0
>
> Attachments: bm1081.scala, HADOOP-1081-Y20-1.patch,
> HADOOP-1081-Y20-2.patch, HDFS-1081-trunk.patch, HDFS-1081-trunk.patch,
> results.xlsx
>
>
> We've seen a significant decrease in the performance of
> DistributedFileSystem::getFileBlockLocations() with security turned on Y20.
> This JIRA is for correcting and tracking it both on Y20 and trunk.
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