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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5733) Add map/reduce slot capacity and lost map/reduce slot capacity to JobTracker metrics
Date Mon, 04 May 2009 22:12:30 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated HADOOP-5733:
----------------------------------

    Attachment: hadoop-5733-4.patch

Merged with trunk, as conflicts with HADOOP-5738. Also re-added the blacklist metric resets
{{to doUpdates}}, since {{incrMetric}} semantics still require it there.

{noformat}
     [exec] -1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no tests are needed for this patch.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec] 
     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
{noformat}

> Add map/reduce slot capacity and lost map/reduce slot capacity to JobTracker metrics
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5733
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5733
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred, metrics
>            Reporter: Hong Tang
>         Attachments: hadoop-5733-1.patch, hadoop-5733-2.patch, hadoop-5733-3.patch, hadoop-5733-4.patch
>
>
> It would be nice to have the actual map/reduce slot capacity and the lost map/reduce
slot capacity (# of blacklisted nodes * map-slot-per-node or reduce-slot-per-node). This information
can be used to calculate a JT view of slot utilization.

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