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https://issues.apache.org/jira/browse/MAPREDUCE-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205733#comment-13205733
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Hadoop QA commented on MAPREDUCE-3850:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12514148/MAPREDUCE-3850.patch
against trunk revision .
+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 eclipse:eclipse. The patch built with eclipse:eclipse.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these unit tests:
org.apache.hadoop.yarn.util.TestLinuxResourceCalculatorPlugin
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1838//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1838//console
This message is automatically generated.
> Avoid redundant calls for tokens in TokenCache
> ----------------------------------------------
>
> Key: MAPREDUCE-3850
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3850
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: security
> Affects Versions: 0.23.1, 0.24.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Attachments: MAPREDUCE-3850.patch
>
>
> The {{TokenCache}} will repeatedly call the same filesystem for tokens. This
> is inefficient and can easily be changed to only call each filesystem once.
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