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https://issues.apache.org/jira/browse/HDFS-6180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13959193#comment-13959193
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Mohammad Kamrul Islam commented on HDFS-6180:
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This is the right Apache way!
I'm fine with [~wheat9] to work with this.
I will stop working on this.
Looking for the patch!
> dead node count / listing is very broken in JMX and old GUI
> -----------------------------------------------------------
>
> Key: HDFS-6180
> URL: https://issues.apache.org/jira/browse/HDFS-6180
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.3.0
> Reporter: Travis Thompson
> Assignee: Haohui Mai
> Attachments: dn.log
>
>
> After bringing up a 578 node cluster with 13 dead nodes, 0 were reported on
> the new GUI, but showed up properly in the datanodes tab. Some nodes are
> also being double reported in the deadnode and inservice section (22 show up
> dead, 565 show up alive, 9 duplicated nodes).
> From /jmx (confirmed that it's the same in jconsole):
> {noformat}
> {
> "name" : "Hadoop:service=NameNode,name=FSNamesystemState",
> "modelerType" : "org.apache.hadoop.hdfs.server.namenode.FSNamesystem",
> "CapacityTotal" : 5477748687372288,
> "CapacityUsed" : 24825720407,
> "CapacityRemaining" : 5477723861651881,
> "TotalLoad" : 565,
> "SnapshotStats" : "{\"SnapshottableDirectories\":0,\"Snapshots\":0}",
> "BlocksTotal" : 21065,
> "MaxObjects" : 0,
> "FilesTotal" : 25454,
> "PendingReplicationBlocks" : 0,
> "UnderReplicatedBlocks" : 0,
> "ScheduledReplicationBlocks" : 0,
> "FSState" : "Operational",
> "NumLiveDataNodes" : 565,
> "NumDeadDataNodes" : 0,
> "NumDecomLiveDataNodes" : 0,
> "NumDecomDeadDataNodes" : 0,
> "NumDecommissioningDataNodes" : 0,
> "NumStaleDataNodes" : 1
> },
> {noformat}
> I'm not going to include deadnode/livenodes because the list is huge, but
> I've confirmed there are 9 nodes showing up in both deadnodes and livenodes.
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