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https://issues.apache.org/jira/browse/FALCON-38?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13752192#comment-13752192
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Shaik Idris Ali commented on FALCON-38:
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Hi, we thought of listening to oozie workflow job end notifications, but this
is not guaranteed. Hence we had to build our own mechanism for post processing.
> Falcon's parent workflow actions (pre-processing & post-processing) should
> have mulitple retries
> ------------------------------------------------------------------------------------------------
>
> Key: FALCON-38
> URL: https://issues.apache.org/jira/browse/FALCON-38
> Project: Falcon
> Issue Type: Bug
> Components: oozie, process
> Affects Versions: 0.3
> Environment: Oozie 3.2.X +, Falcon 0.1
> Reporter: Shaik Idris Ali
> Labels: failures, jms, oozie, retries,
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Oozie actions may fail for various transient and non-transient problems
> arising in Hadoop, Network etc.
> Falcon handles user-workflow action failures by sending a JMS notification to
> ActiveMQ (post-processing action in parent-wf), this message is used to
> provide automatic retries based on various retry policies defined in
> Process.xml. However, post-processing action of Falcon itself might fail and
> workflow may remain in killed/suspended state.
> Oozie provides OOTB retires that can be configured per action, we should
> leverage this to provide Falcon's parent workflow action reruns.
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