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https://issues.apache.org/jira/browse/MAPREDUCE-5186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sangjin Lee updated MAPREDUCE-5186:
-----------------------------------
Priority: Critical (was: Major)
> mapreduce.job.max.split.locations causes some splits created by
> CombineFileInputFormat to fail
> ----------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5186
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5186
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv1, mrv2
> Affects Versions: 2.0.4-alpha
> Reporter: Sangjin Lee
> Priority: Critical
>
> CombineFileInputFormat can easily create splits that can come from many
> different locations (during the last pass of creating "global" splits).
> However, we observe that this often runs afoul of the
> mapreduce.job.max.split.locations check that's done by JobSplitWriter.
> The default value for mapreduce.job.max.split.locations is 10, and with any
> decent size cluster, CombineFileInputFormat creates splits that are well
> above this limit.
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