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https://issues.apache.org/jira/browse/TEZ-2565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14600673#comment-14600673
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TezQA commented on TEZ-2565:
----------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12741779/TEZ-2565.4.patch
against master revision 1fa0c1a.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 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}. There were no new javadoc warning messages.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 3.0.1) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/858//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/858//console
This message is automatically generated.
> Consider scanning unfinished tasks in VertexImpl::constructStatistics to
> reduce merge overhead
> ----------------------------------------------------------------------------------------------
>
> Key: TEZ-2565
> URL: https://issues.apache.org/jira/browse/TEZ-2565
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-2565.1.patch, TEZ-2565.2.patch, TEZ-2565.3.patch,
> TEZ-2565.4.patch, cpu_usage_with_patch.png, cpu_usage_without_patch.png,
> mem_usage_with_patch.png, mem_usage_without_patch.png
>
>
> constructStatistics() can be an overhead (scanning all tasks and merging
> stats) depending on the number of invocations to Vertex::getStatistics().
> Consider scanning only unfinished tasks.
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