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From "Julia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1967) IMRU Fault tolerant for master evaluator
Date Wed, 08 Aug 2018 19:52:00 GMT

    [ https://issues.apache.org/jira/browse/REEF-1967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573765#comment-16573765
] 

Julia commented on REEF-1967:
-----------------------------

{color:#333333}The code is done in a branch. Need to be merged back. {color}

> IMRU Fault tolerant for master evaluator
> ----------------------------------------
>
>                 Key: REEF-1967
>                 URL: https://issues.apache.org/jira/browse/REEF-1967
>             Project: REEF
>          Issue Type: Improvement
>            Reporter: Julia
>            Assignee: Julia
>            Priority: Major
>
> Currently, IMRU fault tolerant only handle the recovery if map evaluators fail.As update
evalautor is just one of the evaluators, the probability of the failure is actually not low.
Therefore we should cover update evaluator failures in fault tolerant as well. 
> We  can use this JIRA to collect all the data that need to be persistent in update tasks
during the fault tolerant recovery and the strategy for the checkpoint. 



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