org.apache.hadoop.hdfs.qjournal.server

Interface JournalNodeMXBean

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public interface JournalNodeMXBean

This is the JMX management interface for JournalNode information

Method Summary

Modifier and Type	Method and Description
default List<String>	getClusterIds() Get list of the clusters of JournalNode's journals as one JournalNode may support multiple clusters.
default String	getHostAndPort() Get host and port of JournalNode.
String	getJournalsStatus() Get status information (e.g., whether formatted) of JournalNode's journals.
default String	getVersion() Gets the version of Hadoop.

Method Detail

getJournalsStatus

String getJournalsStatus()

Get status information (e.g., whether formatted) of JournalNode's journals.

Returns:

A string presenting status for each journal

getHostAndPort

default String getHostAndPort()

Get host and port of JournalNode.

Returns:

colon separated host and port.

getClusterIds

default List<String> getClusterIds()

Get list of the clusters of JournalNode's journals as one JournalNode may support multiple clusters.

Returns:

list of clusters.

getVersion

default String getVersion()

Gets the version of Hadoop.

Returns:

the version of Hadoop.