dengsc created HDFS-13905:
-----------------------------
Summary: HDFS NameNode jmx information inaccuracy
Key: HDFS-13905
URL: https://issues.apache.org/jira/browse/HDFS-13905
Project: Hadoop HDFS
Issue Type: Bug
Components: nn
Reporter: dengsc
The information obtained using Namenode jmx does not match the actual situation。
jmx json data:
{code:java}
// http://{namenode_ip}:50070/jmx/?qry=Hadoop:service=NameNode,name=BlockStats
{
"beans" : [ {
"name" : "Hadoop:service=NameNode,name=BlockStats",
"modelerType" :
"org.apache.hadoop.hdfs.server.blockmanagement.BlockManager",
"StorageTypeStats" : [ {
"key" : "ARCHIVE",
"value" : {
"blockPoolUsed" : 10411907414335294,
"capacityRemaining" : 1435938815980942,
"capacityTotal" : 11851673443205120,
"capacityUsed" : 10411907414335294,
"nodesInService" : 111
}
}, {
"key" : "DISK",
"value" : {
"blockPoolUsed" : 16789505803398474,
"capacityRemaining" : 3404376930515479,
"capacityTotal" : 20204114325184512,
"capacityUsed" : 16789505803398474,
"nodesInService" : 473
}
} ]
} ]
}
{code}
but ，in our cluster :
disk nodesInService = 462
archive nodesInService = 110
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