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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-974) Support fault tolerance for Graph job
Date Tue, 08 Sep 2015 05:50:45 GMT

    [ https://issues.apache.org/jira/browse/HAMA-974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14734276#comment-14734276

Edward J. Yoon commented on HAMA-974:

{quote}so the the previous messages, etc. can be put back in iteration{quote}

Is that a chainable superstep API? Anyway, it looks like a different story from checkpointing
local variables (should be manually handled by user), such as vertices and its values. So,
it's not a duplicated. 

> Support fault tolerance for Graph job
> -------------------------------------
>                 Key: HAMA-974
>                 URL: https://issues.apache.org/jira/browse/HAMA-974
>             Project: Hama
>          Issue Type: Improvement
>          Components: graph
>    Affects Versions: 0.7.0
>            Reporter: Edward J. Yoon
>             Fix For: 0.8.0
> Currently we only checkpoints messages. To support FT for graph job, aggregators, assigned
vertices and its statuses must be checkpointed together.

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