[jira] [Created] (HBASE-9877) HFileOutputFormat creates partitions file with random name under /tmp

["Nick Dimiduk (JIRA)" <ji...@apache.org>]

Nick Dimiduk created HBASE-9877:
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             Summary: 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: 0.96.0, 0.94.12, 0.98.0
            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 [~yuzhihong@gmail.com] [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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