Regarding TotalLoad, what would be normal operating tolerances per node for this metric? When should one become concerned? Thanks again to everyone participating in this community. :)
Nick From: Suresh Srinivas <[email protected]<mailto:[email protected]>> Reply-To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Date: Thursday, June 6, 2013 4:14 PM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: 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]<mailto:[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 -- http://hortonworks.com/download/
