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From "Srikanth Sundarrajan (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FALCON-46) Flacon's instance retry service may hang because of an issue in InMemoryQueue
Date Tue, 23 Jul 2013 03:08:50 GMT

     [ https://issues.apache.org/jira/browse/FALCON-46?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Srikanth Sundarrajan closed FALCON-46.

    Assignee: Shaik Idris Ali
> Flacon's instance retry service may hang because of an issue in InMemoryQueue
> -----------------------------------------------------------------------------
>                 Key: FALCON-46
>                 URL: https://issues.apache.org/jira/browse/FALCON-46
>             Project: Falcon
>          Issue Type: Bug
>          Components: rerun
>    Affects Versions: 0.3
>         Environment: Oozie 3.2, CDH3U5 
>            Reporter: Shaik Idris Ali
>            Assignee: Shaik Idris Ali
>            Priority: Critical
>             Fix For: 0.3
> Falcon provides LateRerunService and RetryService to automatically handle late data reruns
and instance failure correspondingly, for both process and a feed instance based on the policies
like periodic, back-off etc.
> The service supports switchable queues to handle the messages, currently Retry Service
uses InMemoryQueue which is built over Java's DelayQueue. A case where if the delay (delayedMessage)
in message is greater than the existing message in the queue is not handle, and the service
just stops enqueuing or dequeing the messages. Hence Falcon stops all the failed instance
> A fix in the compareTo method of the event message is required. 
> The fix can be back-ported from Ivory.

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