[jira] Created: (MAPREDUCE-1688) A failing retry'able notification in JobEndNotifier can affect notifications of other jobs.

["Vinod K V (JIRA)" <ji...@apache.org>]

A failing retry'able notification in JobEndNotifier can affect notifications of other jobs.
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                 Key: MAPREDUCE-1688
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1688
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: jobtracker
    Affects Versions: 0.20.1
            Reporter: Vinod K V


The JobTracker puts all the notification commands into a delay-queue.  It has a single thread that loops through this queue and sends out the notifications.  When it hits failures with any notification which is configured to be retired via {{job.end.retry.attempts}} and {{job.end.retry.interval}}, the notification is queued back again. A single notification with sufficiently large number of configured retries and which consistently fails will affect other notifications in the queue.

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