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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3764) AllocatedGB etc metrics incorrect if min-allocation-mb isn't a multiple of 1GB
Date Tue, 31 Jan 2012 14:12:11 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196926#comment-13196926
] 

Hudson commented on MAPREDUCE-3764:
-----------------------------------

Integrated in Hadoop-Mapreduce-0.23-Build #177 (See [https://builds.apache.org/job/Hadoop-Mapreduce-0.23-Build/177/])
    Merge -c 1238255 from trunk to branch-0.23 to fix MAPREDUCE-3764. Fixed resource usage
metrics for queues and users.

acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1238256
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/QueueMetrics.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ClusterMetricsInfo.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/UserMetricsInfo.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestQueueMetrics.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServices.java

                
> AllocatedGB etc metrics incorrect if min-allocation-mb isn't a multiple of 1GB
> ------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3764
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3764
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Siddharth Seth
>            Assignee: Arun C Murthy
>            Priority: Critical
>             Fix For: 0.23.1
>
>         Attachments: MAPREDUCE-3764.patch, MAPREDUCE-3764.patch
>
>
> MutableGaugeInt incremented as {{allocatedGB.incr(res.getMemory() / GB * containers);}}
> Setting yarn.scheduler.capacity.minimum-allocation-mb to 1536 - each increment is counted
as 1GB.
> Trying to analyze the metrics - looks like the cluster is never over 67-68% utilized,
depending on high ram requests.

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