[jira] Commented: (MAPREDUCE-1778) CompletedJobStatusStore initialization should fail if {mapred.job.tracker.persist.jobstatus.dir} is unwritable

["Nigel Daley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973360#action_12973360 ] 

Nigel Daley commented on MAPREDUCE-1778:
----------------------------------------

The commit log/comment for this Jira is on MAPREDUCE-1788 due to a mistake in the commit comment.

> CompletedJobStatusStore initialization should fail if {mapred.job.tracker.persist.jobstatus.dir} is unwritable
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1778
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1778
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker
>            Reporter: Amar Kamat
>            Assignee: Krishna Ramachandran
>         Attachments: mapred-1778-1.patch, mapred-1778-2.patch, mapred-1778-3.patch, mapred-1778-4.patch, mapred-1778.20S-1.patch, mapred-1778.20S.patch, mapred-1778.patch
>
>
> If {mapred.job.tracker.persist.jobstatus.dir} points to an unwritable location or mkdir of {mapred.job.tracker.persist.jobstatus.dir} fails, then CompletedJobStatusStore silently ignores the failure and disables CompletedJobStatusStore. Ideally the JobTracker should bail out early indicating a misconfiguration.

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