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From "Avery Ching (JIRA)" <>
Subject [jira] [Commented] (GIRAPH-267) Jobs can get killed for not reporting status during INPUT SUPERSTEP
Date Thu, 26 Jul 2012 04:15:35 GMT


Avery Ching commented on GIRAPH-267:

waitForever does wait forever.  I'm confused Eli.  Perhaps we could add some debugging to
PredicateLock. i.e. if you don't trigger the lock at some point, we output a message (maybe
a partial stack trace?).  We can do that in another JIRA.
> Jobs can get killed for not reporting status during INPUT SUPERSTEP
> -------------------------------------------------------------------
>                 Key: GIRAPH-267
>                 URL:
>             Project: Giraph
>          Issue Type: Bug
>          Components: graph
>    Affects Versions: 0.2.0
>         Environment: Facebook Hadoop
>            Reporter: Jaeho Shin
>            Assignee: Jaeho Shin
>             Fix For: 0.2.0
>         Attachments: 0001-Made-PredicateLock-report-progress-and-removed-Conte.patch,
GIRAPH-267.patch, GIRAPH-267.patch
> Job with a skewed and long (>600secs in my case) INPUT_SUPERSTEP fails for some tasks
not reporting their status.  From BspServiceWorker#setup(), I could tell while some workers
were still loading inputSplits, others finished theirs early and hanged on PredicateLock#waitForever(),
and got killed after the timeout.

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