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From "Greg Roelofs (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2424) MR-279: counters/UI/etc. for uber-AppMaster (in-cluster LocalJobRunner for MRv2)
Date Thu, 14 Apr 2011 23:01:06 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Greg Roelofs updated MAPREDUCE-2424:
------------------------------------

    Attachment: MR-2424-MR-1220-yarn.v1.MR-279-hadoop-yarn.patch.txt

UI part 1:  counters.

This is implemented as task-level counters since job-level counters aren't implemented yet
and will (I believe) require a new Job state-machine transition and self-arcs on multiple
Job states to handle the event in all of the desirable cases.  I added a comment to that effect
in JobImpl but will leave the state-machine details to Sharad or somebody with more experience
there.

I'll try to get at least some of the GUI changes uploaded by tomorrow.

> MR-279: counters/UI/etc. for uber-AppMaster (in-cluster LocalJobRunner for MRv2)
> --------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2424
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2424
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>            Reporter: Greg Roelofs
>            Assignee: Greg Roelofs
>             Fix For: 0.23.0
>
>         Attachments: MR-2424-MR-1220-yarn.v1.MR-279-hadoop-yarn.patch.txt
>
>
> Polish uber-AM (MAPREDUCE-2405).  Specifically:
> * uber-specific counters ("command-line UI")
> * GUI indicators
> ** RM all-containers level
> ** multi-job app level [if exists]
> ** single-job level
> * fix uber-decision ("is this a small job?"):
> ** memory criterion
> ** input-bytes criterion
> * disable speculation
> * isUber() method (somewhere) for unit tests to use
> * delete (most of) old UberTask code (MAPREDUCE-1220; came in with initial MR-279 branch)
> * implement non-RPC, local version of umbilical
> * AM restart (default 4 tries) on another node on any task-attempt failure
> * uber-specific metrics?
> * rename configurables? (still "ubertask"-based)

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