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Posted to dev@falcon.apache.org by "Pallavi Rao (JIRA)" <ji...@apache.org> on 2015/12/21 06:38:46 UTC

[jira] [Created] (FALCON-1677) Support re-tries for timed-out instances

Pallavi Rao created FALCON-1677:
-----------------------------------

             Summary: 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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