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From Suresh Srinivas <sur...@hortonworks.com>
Subject Re: Please explain FSNamesystemState TotalLoad
Date Thu, 06 Jun 2013 21:14:14 GMT
It is the total number of transceivers (readers and writers) reported by
all the datanodes. Datanode reports this count in periodic heartbeat to the
namenode.


On Thu, Jun 6, 2013 at 1:48 PM, Nick Niemeyer <nniemeyer@riotgames.com>wrote:

>   Can someone please explain what TotalLoad represents below?  Thanks for
> your response in advance!
>
>  Version: hadoop-0.20-namenode-0.20.2+923.197-1
>
>  Example pulled from the output of via the name node:
>   # curl -i http://localhost:50070/jmx
>
>  {
>     "name" : "hadoop:service=NameNode,name=FSNamesystemState",
>     "modelerType" : "org.apache.hadoop.hdfs.server.namenode.FSNamesystem",
>     "CapacityTotal" : #,
>     "CapacityUsed" : #,
>     "CapacityRemaining" : #,
>    * "TotalLoad" : #,*
>     "BlocksTotal" : #,
>     "FilesTotal" : #,
>     "PendingReplicationBlocks" : 0,
>     "UnderReplicatedBlocks" : 0,
>     "ScheduledReplicationBlocks" : 0,
>     "FSState" : "Operational"
>   }
>
>
>  Thanks,
> Nick
>



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