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Hadoop >> mail # user >> Re: Please explain FSNamesystemState TotalLoad


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Re: Please explain FSNamesystemState TotalLoad
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 <[EMAIL PROTECTED]>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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