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https://issues.apache.org/jira/browse/MAPREDUCE-6229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Hao updated MAPREDUCE-6229:
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Description:
MapReduce AM failovers, and suddently it is killed during recovery. Next time
when the AM failovers again, the progress will lose for that it only parses
previous history file. As a result,
* many tasks will be reexecuted.
* users will not see the history, such as the tasks killed or finished at the
first attempt.
was:MapReduce AM failovers, and suddently it is killed during recovery. Next
time when the AM failovers again, the progress will lose for that it only
parses previous history file. As a result, many tasks will be reexecuted.
> finished MapReduce tasks will be re executed when AM fails on recovery process
> ------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6229
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6229
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Yang Hao
>
> MapReduce AM failovers, and suddently it is killed during recovery. Next time
> when the AM failovers again, the progress will lose for that it only parses
> previous history file. As a result,
> * many tasks will be reexecuted.
> * users will not see the history, such as the tasks killed or finished at the
> first attempt.
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