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From "Vinod Kumar Vavilapalli (JIRA)" <>
Subject [jira] [Commented] (HAMA-431) MapReduce NG integration
Date Tue, 13 Sep 2011 12:53:09 GMT


Vinod Kumar Vavilapalli commented on HAMA-431:

Thanks Thomas for your replies.

bq. I'm no contributor (yet?), so I don't have SVN access, that was the main reason I choose
the Google Code repo.
We can work with patches, but that won't scale. I think we need to get commit privileges with
a promise to restrict ourselves to a branch. I noticed Edward is off for a week, may be he
can pull some strings when he's back?

bq. Fault tolerance in HamaV2 should basically ..
If this isn't already there in V1, it makes sense to take this up as a follow up to the first
cut of V2.

bq. As you might see I totally reuse your classes. It's cool, but it is more work to cut down
your statemachine handling to something simpler than rewriting it from scratch.
Yes, I propose that we start afresh. As you mentioned, it is lot less work than trying to
cut down the statemachine and peeling off MR specific stuff.

> MapReduce NG integration
> ------------------------
>                 Key: HAMA-431
>                 URL:
>             Project: Hama
>          Issue Type: New Feature
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
> We should take a look at how to integrate Hama's BSP Engine to Hadoop's nextGen application
> Can be currently found in the 0.23 branch.

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