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Hadoop, mail # user - Re: Please explain FSNamesystemState TotalLoad


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Re: Please explain FSNamesystemState TotalLoad
Suresh Srinivas 2013-06-06, 21:14
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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