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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4747) Fancy graphs for visualizing task progress
Date Thu, 25 Oct 2012 14:37:12 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13484162#comment-13484162
] 

Robert Joseph Evans commented on MAPREDUCE-4747:
------------------------------------------------

Figure 1 of #2 Terabyte sort on Hadoop, looks like an improved version of what we had originally.
I like it, and it looks like it would scale fairly well with the number of tasks, but it does
not give you the same information that the swim lanes would do.  It tends to give more of
a view of resource utilization, it is hard to see the long tail tasks, and what might have
caused them.  It would be great if we could support both, but I would want us to concentrate
on the swim lanes first.  Although we do need to be careful and verify that this will work
for jobs with 60,000+ tasks.  Even if we have to reduce the granularity of the images produced.
                
> Fancy graphs for visualizing task progress
> ------------------------------------------
>
>                 Key: MAPREDUCE-4747
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4747
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>    Affects Versions: 0.23.4
>            Reporter: Ravi Prakash
>
> We should think about what kind of map / reduce graphs we want to see in MRv2 to visualize
all the task progress / completion information we have.

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