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https://issues.apache.org/jira/browse/HBASE-9877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Esteban Gutierrez resolved HBASE-9877.
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Resolution: Fixed
Original issue was addressed by HBASE-13010. HBASE-15129 exposes
hbase.fs.tmp.dir and you can specify a different location for the partition
file.
> HFileOutputFormat creates partitions file with random name under /tmp
> ---------------------------------------------------------------------
>
> Key: HBASE-9877
> URL: https://issues.apache.org/jira/browse/HBASE-9877
> Project: HBase
> Issue Type: Improvement
> Components: mapreduce
> Affects Versions: 0.98.0, 0.94.12, 0.96.0
> Reporter: Nick Dimiduk
> Priority: Minor
>
> HFileOutputFormat creates a partitions file for managing reducer partition
> boundaries. This file is created under /tmp and is just a UUID. As [pointed
> out|https://issues.apache.org/jira/browse/HBASE-4285?focusedCommentId=13620294&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13620294]
> by [~lurbina], there's no guarantee this path exists or is user-writable. As
> [[email protected]]
> [mentions|https://issues.apache.org/jira/browse/HBASE-4285?focusedCommentId=13602934&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13602934],
> this file name is useless for users trying to debug a failing job. We should
> give it a meaningful name, based on job name and/or timestamp.
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