com.cloudera.api.v10

Interface RoleCommandsResourceV10

All Superinterfaces:

RoleCommandsResource, RoleCommandsResourceV3, RoleCommandsResourceV4, RoleCommandsResourceV6, RoleCommandsResourceV8

public interface RoleCommandsResourceV10
extends RoleCommandsResourceV8

Method Summary

Methods

Modifier and Type	Method and Description
ApiBulkCommandList	refreshCommand(ApiRoleNameList roleNames) Refresh a role's data.

Methods inherited from interface com.cloudera.api.v8.RoleCommandsResourceV8

jmapDump, jmapHisto, jstack, lsof

Methods inherited from interface com.cloudera.api.v6.RoleCommandsResourceV6

roleCommandByName

Methods inherited from interface com.cloudera.api.v4.RoleCommandsResourceV4

hdfsEnterSafemode, hdfsLeaveSafemode, hdfsSaveNamespace

Methods inherited from interface com.cloudera.api.v3.RoleCommandsResourceV3

hdfsFinalizeMetadataUpgrade

Methods inherited from interface com.cloudera.api.v1.RoleCommandsResource

formatCommand, hdfsBootstrapStandByCommand, hdfsInitializeAutoFailoverCommand, hdfsInitializeSharedDirCommand, restartCommand, startCommand, stopCommand, syncHueDbCommand, zooKeeperCleanupCommand, zooKeeperInitCommand

Method Detail

refreshCommand

@Path(value="/refresh")
ApiBulkCommandList refreshCommand(ApiRoleNameList roleNames)

Refresh a role's data.

For MapReduce services, this command should be executed on JobTracker roles. It refreshes the role's queue and node information.

For HDFS services, this command should be executed on NameNode or DataNode roles. For NameNodes, it refreshes the role's node list. For DataNodes, it refreshes the role's data directory list and other configuration.

For YARN services, this command should be executed on ResourceManager roles. It refreshes the role's queue and node information.

Available since API v1. DataNode data directories refresh available since API v10.

Specified by:

refreshCommand in interface RoleCommandsResource

Parameters:

roleNames - The names of the roles.

Returns:

A list of submitted commands.