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https://issues.apache.org/jira/browse/MAPREDUCE-5692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13853476#comment-13853476
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Sandy Ryza commented on MAPREDUCE-5692:
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+1 pending jenkins
> Add explicit diagnostics when a task attempt is killed due to speculative
> execution
> -----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5692
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5692
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 2.2.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Attachments: MAPREDUCE-5692.v01.patch, MAPREDUCE-5692.v02.patch
>
>
> We need to clearly indicate when a task attempt is killed because another
> task attempt succeeded first when speculative execution is enabled.
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