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https://issues.apache.org/jira/browse/TEZ-1967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14281890#comment-14281890
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Hadoop QA commented on TEZ-1967:
--------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12692979/TEZ-1967.1.patch
against master revision c684653.
{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:red}-1 javadoc{color}. The javadoc tool appears to have generated 1
warning messages.
See
https://builds.apache.org/job/PreCommit-TEZ-Build/50//artifact/patchprocess/diffJavadocWarnings.txt
for details.
{color:red}-1 findbugs{color}. The patch appears to introduce 64 new
Findbugs (version 2.0.3) 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 :
org.apache.tez.mapreduce.TestMRRJobs
Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/50//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-TEZ-Build/50//artifact/patchprocess/newPatchFindbugsWarningstez-mapreduce.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-TEZ-Build/50//artifact/patchprocess/newPatchFindbugsWarningstez-dag.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-TEZ-Build/50//artifact/patchprocess/newPatchFindbugsWarningstez-examples.html
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/50//console
This message is automatically generated.
> Add a monitoring API on DAGClient which returns after a time interval or on
> DAG state change
> --------------------------------------------------------------------------------------------
>
> Key: TEZ-1967
> URL: https://issues.apache.org/jira/browse/TEZ-1967
> Project: Apache Tez
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Siddharth Seth
> Assignee: Vasanth kumar RJ
> Fix For: 0.7.0
>
> Attachments: TEZ-1967.1.patch
>
>
> To monitor a running DAG, clients end up using DAGClient.getDAGSstatus in a
> loop with a poll interval.
> In the worst case, they find out about DAG completion, failure etc only after
> the poll interval.
> Instead, an API can be added which waits on the AM for a specified interval,
> but can return earlier if the DAG state changes.
> This will end up blocking RPC handlers - but that isn't a problem since we
> don't have many entities querying for DAG status.
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