org.apache.hadoop.hdfs.server.datanode

接口 DataNodeMXBean

所有已知实现类:

DataNode

public interface DataNodeMXBean

This is the JMX management interface for data node information

方法概要

方法

限定符和类型	方法和说明
String	getHostName()
String	getHttpPort() Gets the http port.
String	getNamenodeAddress() Gets the namenode IP address.
String	getRpcPort() Gets the rpc port.
String	getVersion() Gets the version of Hadoop.
String	getVolumeInfo() Gets the information of each volume on the Datanode.
int	getXceiverCount() Returns an estimate of the number of Datanode threads actively transferring blocks.

方法详细资料

getHostName

String getHostName()

返回:

the host name

getVersion

String getVersion()

Gets the version of Hadoop.

返回:

the version of Hadoop

getRpcPort

String getRpcPort()

Gets the rpc port.

返回:

the rpc port

getHttpPort

String getHttpPort()

Gets the http port.

返回:

the http port

getNamenodeAddress

String getNamenodeAddress()

Gets the namenode IP address.

返回:

the namenode IP address

getVolumeInfo

String getVolumeInfo()

Gets the information of each volume on the Datanode. Please see the implementation for the format of returned information.

返回:

the volume info

getXceiverCount

int getXceiverCount()

Returns an estimate of the number of Datanode threads actively transferring blocks.