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https://issues.apache.org/jira/browse/YARN-357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13564663#comment-13564663
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Hadoop QA commented on YARN-357:
--------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12566815/YARN-357.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
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 1.3.9) 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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:
org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServices
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/373//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/373//console
This message is automatically generated.
> App submission should not be synchronized
> -----------------------------------------
>
> Key: YARN-357
> URL: https://issues.apache.org/jira/browse/YARN-357
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 0.23.3, 3.0.0, 2.0.0-alpha
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Attachments: YARN-357.patch, YARN-357.patch
>
>
> MAPREDUCE-2953 fixed a race condition with querying of app status by making
> {{RMClientService#submitApplication}} synchronously invoke
> {{RMAppManager#submitApplication}}. However, the {{synchronized}} keyword was
> also added to {{RMAppManager#submitApplication}} with the comment:
> bq. I made the submitApplication synchronized to keep it consistent with the
> other routines in RMAppManager although I do not believe it needs it since
> the rmapp datastructure is already a concurrentMap and I don't see anything
> else that would be an issue.
> It's been observed that app submission latency is being unnecessarily
> impacted.
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