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From "Mariia Mykhailova (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1404) IMRU task state Maintenance and Preservation in Evaluator for fault tolerant
Date Wed, 21 Sep 2016 00:24:20 GMT

    [ https://issues.apache.org/jira/browse/REEF-1404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15508234#comment-15508234
] 

Mariia Mykhailova commented on REEF-1404:
-----------------------------------------

[~dkm2110] Do you plan to do any changes to current {{UpdateTaskHost}} {{TaskBody}} code with
this interface? I thought we were going to call {{IStateManager.getLatestState}} before while
loop to get initial state for calculations, and {{IStateManager.AddState}} in the end of each
loop iteration to store whatever needs to be stored. In this case, {{UpdateResult<TMapInput,
TResult>}} would be a natural choice both to pass and to receive from {{IStateManager}}
methods.

> IMRU task state Maintenance and Preservation in Evaluator for fault tolerant
> ----------------------------------------------------------------------------
>
>                 Key: REEF-1404
>                 URL: https://issues.apache.org/jira/browse/REEF-1404
>             Project: REEF
>          Issue Type: Task
>            Reporter: Julia
>              Labels: FT
>
> IMRU task should be able to 
> * Maintenance and preservation the state
> * When restart, able to recover from the previous sate



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