一、JMX 基础概念与 Hadoop 支持
1、JMX 作用。
Java Management Extensions(JMX)提供标准 API 监控 JVM 应用运行时状态(内存、线程、GC)及 Hadoop 组件指标(HDFS 容量、RPC 性能、节点状态)
2、Hadoop 组件 JMX 支持
- NameNode :
FSNamesystemState
(文件系统状态)、NameNodeActivity
(操作统计) - DataNode :
DataNodeActivity
(数据传输)、FSDatasetState
(存储状态) - ResourceManager :
ClusterMetrics
(集群资源)、QueueMetrics
(队列负载) - NodeManager :
NodeManagerMetrics
(容器状态)、ShuffleMetrics
(Shuffle 性能)
二、配置
1、namenode
java
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=FSNamesystemState
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=NameNodeActivity
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=JvmMetrics
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=RpcDetailedActivityForPort8020
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=FSNamesystem
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=RpcActivityForPort8020
http://hadoop24:9870/jmx?qry=Hadoop:service=NameNode,name=RpcDetailedActivityForPort8022
2、resourceManager
java
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=ClusterMetrics
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=JvmMetrics
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=QueueMetrics,q0=root
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=RpcDetailedActivityForPort8030
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=RpcDetailedActivityForPort8031
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=RpcDetailedActivityForPort8032
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=RpcDetailedActivityForPort8033
http://hadoop24:8088/jmx?qry=java.lang:type=GarbageCollector,name=ConcurrentMarkSweep
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=FSOpDurations
http://hadoop24:8088/jmx?qry=Hadoop:service=ResourceManager,name=EventMetrics
3、datanode
java
http://hadoop1:50076/jmx?qry=Hadoop:service=DataNode,name=DataNodeActivity-%s-%s
http://hadoop1:50076/jmx?qry=Hadoop:service=DataNode,name=JvmMetrics
http://hadoop1:50076/jmx?qry=Hadoop:service=DataNode,name=RpcActivityForPort%s
http://hadoop1:50076/jmx?qry=Hadoop:service=DataNode,name=FSDatasetState-%s
4、nodemanager
java
http://hadoop11:8042/jmx?qry=Hadoop:service=NodeManager,name=JvmMetrics
http://hadoop11:8042/jmx?qry=Hadoop:service=NodeManager,name=NodeManagerMetrics
http://hadoop11:8042/jmx?qry=Hadoop:service=NodeManager,name=RpcActivityForPort8040
http://hadoop11:8042/jmx?qry=Hadoop:service=NodeManager,name=RpcActivityForPort8041
http://hadoop11:8042/jmx?qry=Hadoop:service=NodeManager,name=ShuffleMetrics