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https://issues.apache.org/jira/browse/MAPREDUCE-3680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205202#comment-13205202
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Thomas Graves commented on MAPREDUCE-3680:
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+1 lgtm.
> FifoScheduler web service rest API can print out invalid JSON
> -------------------------------------------------------------
>
> Key: MAPREDUCE-3680
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3680
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Thomas Graves
> Attachments: MAPREDUCE-3680-1.patch, MAPREDUCE-3680.patch
>
>
> running a GET on the scheduler web services rest api
> (RM:port/ws/cluster/scheduler) with the FifoScheduler configured with no
> nodemanagers up yet and it prints out invalid json of NaN for the used
> Capacity:
> {"scheduler":{"schedulerInfo":{"type":"fifoScheduler","capacity":1.0,"usedCapacity":NaN,"qstate":"RUNNING","minQueueMemoryCapacity":1024,"maxQueueMemoryCapacity":10240,"numNodes":0,"usedNodeCapacity":0,"availNodeCapacity":0,"totalNodeCapacity":0,"numContainers":0}}}
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