Hadoop DataNode RPC activity (HADOOP_DATANODE_RPCACTIVITY)
The HADOOP_DATANODE_RPCACTIVITY application class monitors the RPC activities of the DataNode. The Hadoop KM gathers these attributes by executing the following query:
<DataNode jmx url>?qry= Hadoop:service=DataNode,name=RpcActivity.*
where,
<DataNode jmx url> Java Management Extensions url, http://<<DataNode name>>:<<DataNode port>>/jmx
qry is Hadoop by default
service contains the type of the group, for example, DataNode, ResourceManager, JobTracker, ResourceManager, TaskTracker and other available groups
name contains the type of metrics data you want to collect and display, for example, JVMmetrics, Queuemetrics, RPCactivity and other available metrics types
Application class attributes
Item | Description |
|---|---|
Active | Yes |
Created by | Discovery |
Parent class | HADOOP_DATANODE_RPCACTIVITY_CONTAINER |
Child class | None |
Attributes (parameters)