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From "Narayan Periwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FALCON-1677) Support re-tries for timed-out instances
Date Fri, 08 Jan 2016 09:54:39 GMT

    [ https://issues.apache.org/jira/browse/FALCON-1677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15088985#comment-15088985
] 

Narayan Periwal commented on FALCON-1677:
-----------------------------------------

[~ajayyadava], [~pallavi.rao], your suggestions please?

> Support re-tries for timed-out instances
> ----------------------------------------
>
>                 Key: FALCON-1677
>                 URL: https://issues.apache.org/jira/browse/FALCON-1677
>             Project: Falcon
>          Issue Type: Bug
>            Reporter: Pallavi Rao
>
> Currently, Falcon retries only on failure. We should extend support in case of timed-out
instances too. Earlier, since we were relying on post-processing to notify the instance status,
this was not possible. Now that Falcon relies on Oozie JMS notifications, we can support retries
for timed out instances too.
> If a dataset is expected to get delayed for a long time, the user is currently forced
to supply a large timeout value. This is an overhead in terms of Oozie having to poll for
that long. If we introduce retries, the timeout can be a reasonable value with periodic/exponential
back-off retries.



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