[
https://issues.apache.org/jira/browse/TEZ-3452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15536892#comment-15536892
]
TezQA commented on TEZ-3452:
----------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12831136/TEZ-3452.1.patch
against master revision 5c2f893.
{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/2002//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/2002//console
This message is automatically generated.
> Auto-reduce parallelism calculation can overflow with large inputs
> ------------------------------------------------------------------
>
> Key: TEZ-3452
> URL: https://issues.apache.org/jira/browse/TEZ-3452
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jonathan Eagles
> Assignee: Jonathan Eagles
> Attachments: TEZ-3452.1.patch
>
>
> Overflow can occur when the numTasks is high (say 45000) and outputSize is
> high (say 311TB) and slow start is set to 1.0.
> {code:title=ShuffleVertexManager}
> for (Map.Entry<String, SourceVertexInfo> vInfo : getBipartiteInfo()) {
> SourceVertexInfo srcInfo = vInfo.getValue();
> if (srcInfo.numTasks > 0 && srcInfo.numVMEventsReceived > 0) {
> // this assumes that 1 vmEvent is received per completed task -
> TEZ-2961
> expectedTotalSourceTasksOutputSize +=
> (srcInfo.numTasks * srcInfo.outputSize) /
> srcInfo.numVMEventsReceived;
> }
> }
> {code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
