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https://issues.apache.org/jira/browse/MAPREDUCE-7166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei Li updated MAPREDUCE-7166:
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Attachment: MAPREDUCE-7166.003.patch
> map-only job should ignore node lost event when task is already succeeded
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-7166
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7166
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 2.7.5, 3.0.0, 3.1.1, 2.8.5, 2.7.7, 2.9.2
> Reporter: Zhaohui Xin
> Assignee: Lei Li
> Priority: Major
> Labels: newbie
> Attachments: MAPREDUCE-7166.001.patch, MAPREDUCE-7166.002.patch,
> MAPREDUCE-7166.003.patch
>
>
> When node lost, all mappers on this node will be rescheduled, but it's
> unnecessary for succeeded map only task because map only job has no reducer,
> and map output has been written to HDFS when it become succeeded, so we can
> ignore this node lost event.
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