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https://issues.apache.org/jira/browse/MAPREDUCE-7366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated MAPREDUCE-7366:
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Affects Version/s: 3.3.1
> FileOutputCommitter Enable Concurent Writes
> --------------------------------------------
>
> Key: MAPREDUCE-7366
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7366
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 3.3.1
> Reporter: ismail
> Priority: Major
> Labels: committers, pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> is it possible to make `{{PENDING_DIR_NAME}}` configurable?
> That will enable concurrent writes to same location. current if two spark
> processes write same destination one of them is failing.
> current
> {code:java}
> public static final String PENDING_DIR_NAME = "_temporary";{code}
> new:
> {code:java}
> PENDING_DIR_NAME = conf.get("mapreduce.fileoutputcommitter.pending.dir",
> "_temporary");{code}
> here is custom commiter doing it:
> https://gist.github.com/ismailsimsek/33c55d8e1fcfc79160483c38a978edbd
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