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Posted to dev@reef.apache.org by "Joo Seong (Jason) Jeong (JIRA)" <ji...@apache.org> on 2015/11/12 04:23:10 UTC

[jira] [Resolved] (REEF-923) Make group comm run with a number of tasks less than the initial count

     [ https://issues.apache.org/jira/browse/REEF-923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joo Seong (Jason) Jeong resolved REEF-923.
------------------------------------------
       Resolution: Implemented
    Fix Version/s: 0.14

Resolved via [PR 622|https://github.com/apache/incubator-reef/pull/622].

> Make group comm run with a number of tasks less than the initial count
> ----------------------------------------------------------------------
>
>                 Key: REEF-923
>                 URL: https://issues.apache.org/jira/browse/REEF-923
>             Project: REEF
>          Issue Type: Improvement
>          Components: REEF-IO
>            Reporter: Gyeongin Yu
>            Assignee: Gyeongin Yu
>             Fix For: 0.14
>
>
> A communication group should be able to run with a number of tasks less than its initial count. However in the current code, when a topology update has been requested from the task-side, the group checks that the number of running tasks is at least the initial count and stalls otherwise. This becomes a problem when a task is removed from the group purposely. The user wants to proceed with a number of tasks less than the initial count, but the group waits until the missing tasks are added back.



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