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https://issues.apache.org/jira/browse/TEZ-3816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16122443#comment-16122443
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TezQA commented on TEZ-3816:
----------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12881087/TEZ-3816.001.patch
against master revision 1061cf5.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{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/2610//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/2610//console
This message is automatically generated.
> Ability to automatically speculate single-task vertices
> -------------------------------------------------------
>
> Key: TEZ-3816
> URL: https://issues.apache.org/jira/browse/TEZ-3816
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Muhammad Samir Khan
> Assignee: Muhammad Samir Khan
> Attachments: TEZ-3816.001.patch
>
>
> When a single-task vertex is unlucky, it lands on a very slow node.
> Speculation doesn't currently apply when there are no other tasks to compare
> with. It would be good to have a configurable timeout after which the tasks
> automatically speculate.
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