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From "Julia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1224) IMRU Fault Tolerance - Separate Data downloading from Task injection
Date Mon, 28 Mar 2016 17:22:25 GMT

    [ https://issues.apache.org/jira/browse/REEF-1224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15214498#comment-15214498
] 

Julia commented on REEF-1224:
-----------------------------

Agree. Currently we only have one task on the Group Communication Service, if task cascading
failure always brings down the communication service, then putting the communication service
at task level would make sense. 


> IMRU Fault Tolerance - Separate Data downloading from Task injection
> --------------------------------------------------------------------
>
>                 Key: REEF-1224
>                 URL: https://issues.apache.org/jira/browse/REEF-1224
>             Project: REEF
>          Issue Type: Improvement
>          Components: IMRU, REEF.NET
>            Reporter: Julia
>            Assignee: Dhruv Mahajan
>
> Currently in IMRU, data downloading happens during the Task injection. It couples the
data and Task object. In Fault tolerant case, we would like to only resubmit a task but use
the data that have been downloaded, That requires us to decouple those two portions. For example,
data downloading portion can be attached to Context, and we can then resubmit a task on the
same context. 



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