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From "Mahadev konar (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3059) QueueMetrics do not have metrics for aggregate containers-allocated and aggregate containers-released
Date Fri, 14 Oct 2011 01:28:13 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mahadev konar updated MAPREDUCE-3059:
-------------------------------------

    Status: Open  (was: Patch Available)

@Devaraj,
The patch looks good.

One minor nit: I think we should probably use MutableCounterLong for the aggregate metrics.

                
> QueueMetrics do not have metrics for aggregate containers-allocated and aggregate containers-released
> -----------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3059
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3059
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Karam Singh
>            Assignee: Devaraj K
>            Priority: Blocker
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-3059.patch
>
>
> QueueMetrics for ResourceManager do not have any metrics for aggregate containers-allocated
and containers-released.
> We need the aggregates of containers-allocated and containers-released to figure out
the rate at which RM is dishing out containers. NodeManager do have containers-launched and
container-released metrics, but this is not across all nodes; so to get the cluster level
aggregate, we need to preprocess NM metrics from all nodes - which is troublesome.
> Currently, we do have AllocatedContainers and PendingContainers which reflect the running
containers given out to AMs, and containers waiting for allocation respectively.

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