ambari-server/src/test/resources/hdfs_datanode_jmx.json

{
  "beans" : [ {
    "name" : "Hadoop:service=DataNode,name=DataNode",
    "modelerType" : "DataNode",
    "tag.context" : "dfs",
    "tag.sessionId" : null,
    "tag.hostName" : "ip-10-190-186-15.ec2.internal",
    "bytes_written" : 0,
    "bytes_read" : 0,
    "blocks_written" : 0,
    "blocks_read" : 0,
    "blocks_replicated" : 0,
    "blocks_removed" : 0,
    "blocks_verified" : 0,
    "block_verification_failures" : 0,
    "blocks_get_local_pathinfo" : 0,
    "reads_from_local_client" : 0,
    "reads_from_remote_client" : 0,
    "writes_from_local_client" : 0,
    "writes_from_remote_client" : 0,
    "readBlockOp_num_ops" : 0,
    "readBlockOp_avg_time" : 0.0,
    "writeBlockOp_num_ops" : 0,
    "writeBlockOp_avg_time" : 0.0,
    "blockChecksumOp_num_ops" : 0,
    "blockChecksumOp_avg_time" : 0.0,
    "copyBlockOp_num_ops" : 0,
    "copyBlockOp_avg_time" : 0.0,
    "replaceBlockOp_num_ops" : 0,
    "replaceBlockOp_avg_time" : 0.0,
    "heartBeats_num_ops" : 1201,
    "heartBeats_avg_time" : 3.3333333333333335,
    "blockReports_num_ops" : 0,
    "blockReports_avg_time" : 0.0
  }, {
    "name" : "Hadoop:service=DataNode,name=MetricsSystem,sub=Stats",
    "modelerType" : "MetricsSystem,sub=Stats",
    "tag.context" : "metricssystem",
    "num_sources" : 5,
    "num_sinks" : 1,
    "sink.ganglia.latency_num_ops" : 360,
    "sink.ganglia.latency_avg_time" : 2.0,
    "sink.ganglia.dropped" : 0,
    "sink.ganglia.qsize" : 0,
    "snapshot_num_ops" : 2165,
    "snapshot_avg_time" : 0.16666666666666669,
    "snapshot_stdev_time" : 0.408248290463863,
    "snapshot_imin_time" : 0.0,
    "snapshot_imax_time" : 1.0,
    "snapshot_min_time" : 0.0,
    "snapshot_max_time" : 11.0,
    "publish_num_ops" : 360,
    "publish_avg_time" : 0.0,
    "publish_stdev_time" : 0.0,
    "publish_imin_time" : 0.0,
    "publish_imax_time" : 1.401298464324817E-45,
    "publish_min_time" : 0.0,
    "publish_max_time" : 1.0,
    "dropped_pub_all" : 0
  }, {
    "name" : "Hadoop:service=DataNode,name=jvm",
    "modelerType" : "jvm",
    "tag.context" : "jvm",
    "tag.processName" : "DataNode",
    "tag.sessionId" : null,
    "tag.hostName" : "ip-10-190-186-15.ec2.internal",
    "memNonHeapUsedM" : 19.757858,
    "memNonHeapCommittedM" : 23.1875,
    "memHeapUsedM" : 16.870667,
    "memHeapCommittedM" : 111.6875,
    "gcCount" : 5,
    "gcTimeMillis" : 37,
    "threadsNew" : 0,
    "threadsRunnable" : 14,
    "threadsBlocked" : 0,
    "threadsWaiting" : 10,
    "threadsTimedWaiting" : 8,
    "threadsTerminated" : 0,
    "logFatal" : 0,
    "logError" : 0,
    "logWarn" : 0,
    "logInfo" : 3
  }, {
    "name" : "Hadoop:service=DataNode,name=RpcActivityForPort8010",
    "modelerType" : "RpcActivityForPort8010",
    "tag.context" : "rpc",
    "tag.port" : "8010",
    "tag.hostName" : "ip-10-190-186-15.ec2.internal",
    "rpcAuthenticationSuccesses" : 0,
    "rpcAuthenticationFailures" : 0,
    "rpcAuthorizationSuccesses" : 0,
    "rpcAuthorizationFailures" : 0,
    "ReceivedBytes" : 0,
    "SentBytes" : 0,
    "RpcQueueTime_num_ops" : 0,
    "RpcQueueTime_avg_time" : 0.0,
    "RpcProcessingTime_num_ops" : 0,
    "RpcProcessingTime_avg_time" : 0.0,
    "NumOpenConnections" : 0,
    "callQueueLen" : 0
  }, {
    "name" : "Hadoop:service=DataNode,name=DataNodeInfo",
    "modelerType" : "org.apache.hadoop.hdfs.server.datanode.DataNode",
    "HostName" : "ip-10-190-186-15.ec2.internal",
    "Version" : "1.0.3.14",
    "RpcPort" : "8010",
    "HttpPort" : null,
    "NamenodeAddress" : "domu-12-31-39-0e-34-e1.compute-1.internal",
    "VolumeInfo" : "{\"/grid/1/hadoop/hdfs/data/current\":{\"freeSpace\":421091414016,\"usedSpace\":12705792,\"reservedSpace\":1073741824},\"/grid/0/hadoop/hdfs/data/current\":{\"freeSpace\":421092061184,\"usedSpace\":12042240,\"reservedSpace\":1073741824}}"
  }, {
    "name" : "Hadoop:service=DataNode,name=RpcDetailedActivityForPort8010",
    "modelerType" : "RpcDetailedActivityForPort8010",
    "tag.context" : "rpcdetailed",
    "tag.port" : "8010",
    "tag.hostName" : "ip-10-190-186-15.ec2.internal"
  }, {
    "name" : "Hadoop:service=DataNode,name=MetricsSystem,sub=Control",
    "modelerType" : "org.apache.hadoop.metrics2.impl.MetricsSystemImpl"
  }, {
    "name" : "Hadoop:service=DataNode,name=ugi",
    "modelerType" : "ugi",
    "tag.context" : "ugi",
    "tag.hostName" : "ip-10-190-186-15.ec2.internal",
    "loginSuccess_num_ops" : 0,
    "loginSuccess_avg_time" : 0.0,
    "loginFailure_num_ops" : 0,
    "loginFailure_avg_time" : 0.0
  }, {
    "name" : "Hadoop:service=DataNode,name=FSDatasetState-UndefinedStorageId418811627",
    "modelerType" : "org.apache.hadoop.hdfs.server.datanode.FSDataset",
    "Remaining" : 842183475200,
    "Capacity" : 885570207744,
    "DfsUsed" : 24748032,
    "StorageInfo" : "FSDataset{dirpath='/grid/0/hadoop/hdfs/data/current,/grid/1/hadoop/hdfs/data/current'}"
  } ]
}