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From "Julia (JIRA)" <j...@apache.org>
Subject [jira] [Created] (REEF-1680) Increasing default retry count in WaitingForRegistration
Date Wed, 30 Nov 2016 03:16:58 GMT
Julia created REEF-1680:
---------------------------

             Summary: Increasing default retry count in WaitingForRegistration
                 Key: REEF-1680
                 URL: https://issues.apache.org/jira/browse/REEF-1680
             Project: REEF
          Issue Type: Bug
            Reporter: Julia


In IMRU, update task doesn't need to do data load but mapper do. That means we need to set
sufficient retry times in WaitingForRegistratio, at least more than data loading time. Current
setting is about 4 min. But for big data, it can be 25 minutes. 

Previously we were hesitate to increase this number because WaitingForRegistration was in
Task constructor. Before we get running task, there is no way to cancel a long waiting task
in failure cases. 

Now we have moved WaitingForRegistrationout of task constructor and added cancellation token.
We are able to cancel the waiting if failure happens. Therefore we should increase this setting.




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