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From "Julia (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (REEF-1680) Increasing default retry count in WaitingForRegistration
Date Fri, 09 Dec 2016 06:15:58 GMT

     [ https://issues.apache.org/jira/browse/REEF-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Julia updated REEF-1680:
------------------------
    Labels: FT  (was: )

> 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
>            Assignee: Julia
>              Labels: FT
>             Fix For: 0.16
>
>
> 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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