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https://issues.apache.org/jira/browse/MAPREDUCE-5613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821130#comment-13821130
]
Hudson commented on MAPREDUCE-5613:
-----------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4723 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4723/])
MAPREDUCE-5613. DefaultSpeculator holds and checks hashmap that is alway empty
(Gera Shegalov via Sandy Ryza) (sandy:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1541433)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/speculate/DefaultSpeculator.java
> DefaultSpeculator holds and checks hashmap that is always empty
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-5613
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5613
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Fix For: 2.3.0
>
> Attachments: MAPREDUCE-5613.v01.patch
>
>
> The only way pendingSpeculations is used:
> {code}
> // If the task is already known to be speculation-bait, don't do
> anything
> if (pendingSpeculations.get(task) != null) {
>
> if (pendingSpeculations.get(task).get()) {
>
> return;
>
> }
>
> }
> {code}
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