org.apache.hadoop.hbase.rsgroup

Class RSGroupAdminClient

java.lang.Object

org.apache.hadoop.hbase.rsgroup.RSGroupAdminClient

Deprecated.

Keep it here only for tests, using Admin instead.

@Deprecated
 @InterfaceAudience.Private
public class RSGroupAdminClient
extends Object

Client used for managing region server group information.

Constructor Summary

Constructors

Constructor and Description
RSGroupAdminClient(Connection conn) Deprecated.

Method Summary

Modifier and Type	Method and Description
void	addRSGroup(String groupName) Deprecated. Creates a new RegionServer group with the given name.
BalanceResponse	balanceRSGroup(String groupName, BalanceRequest request) Deprecated. Balance regions in the given RegionServer group.
RSGroupInfo	getRSGroupInfo(String groupName) Deprecated. Gets RSGroupInfo for given group name.
RSGroupInfo	getRSGroupInfoOfTable(TableName tableName) Deprecated. Gets RSGroupInfo for the given table's group.
RSGroupInfo	getRSGroupOfServer(Address hostPort) Deprecated. Retrieve the RSGroupInfo a server is affiliated to
List<RSGroupInfo>	listRSGroups() Deprecated. Lists current set of RegionServer groups.
void	moveServers(Set<Address> servers, String targetGroup) Deprecated. Move given set of servers to the specified target RegionServer group.
void	moveServersAndTables(Set<Address> servers, Set<TableName> tables, String targetGroup) Deprecated. Move given set of servers and tables to the specified target RegionServer group.
void	moveTables(Set<TableName> tables, String targetGroup) Deprecated. Move given set of tables to the specified target RegionServer group.
void	removeRSGroup(String name) Deprecated. Removes RegionServer group associated with the given name.
void	removeServers(Set<Address> servers) Deprecated. Remove decommissioned servers from rsgroup.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RSGroupAdminClient

public RSGroupAdminClient(Connection conn)
                   throws IOException

Deprecated.

Throws:

IOException

Method Detail

getRSGroupInfo

public RSGroupInfo getRSGroupInfo(String groupName)
                           throws IOException

Deprecated.

Gets RSGroupInfo for given group name.

Throws:

IOException

getRSGroupInfoOfTable

public RSGroupInfo getRSGroupInfoOfTable(TableName tableName)
                                  throws IOException

Deprecated.

Gets RSGroupInfo for the given table's group.

Throws:

IOException

moveServers

public void moveServers(Set<Address> servers,
                        String targetGroup)
                 throws IOException

Deprecated.

Move given set of servers to the specified target RegionServer group.

Throws:

IOException

moveTables

public void moveTables(Set<TableName> tables,
                       String targetGroup)
                throws IOException

Deprecated.

Move given set of tables to the specified target RegionServer group. This will unassign all of a table's region so it can be reassigned to the correct group.

Throws:

IOException

addRSGroup

public void addRSGroup(String groupName)
                throws IOException

Deprecated.

Creates a new RegionServer group with the given name.

Throws:

IOException

removeRSGroup

public void removeRSGroup(String name)
                   throws IOException

Deprecated.

Removes RegionServer group associated with the given name.

Throws:

IOException

balanceRSGroup

public BalanceResponse balanceRSGroup(String groupName,
                                      BalanceRequest request)
                               throws IOException

Deprecated.

Balance regions in the given RegionServer group.

Returns:

BalanceResponse details about the balancer run

Throws:

IOException

listRSGroups

public List<RSGroupInfo> listRSGroups()
                               throws IOException

Deprecated.

Lists current set of RegionServer groups.

Throws:

IOException

getRSGroupOfServer

public RSGroupInfo getRSGroupOfServer(Address hostPort)
                               throws IOException

Deprecated.

Retrieve the RSGroupInfo a server is affiliated to

Parameters:

hostPort - HostPort to get RSGroupInfo for

Throws:

IOException

moveServersAndTables

public void moveServersAndTables(Set<Address> servers,
                                 Set<TableName> tables,
                                 String targetGroup)
                          throws IOException

Deprecated.

Move given set of servers and tables to the specified target RegionServer group.

Parameters:

servers - set of servers to move

tables - set of tables to move

targetGroup - the target group name

Throws:

IOException - if moving the server and tables fail

removeServers

public void removeServers(Set<Address> servers)
                   throws IOException

Deprecated.

Remove decommissioned servers from rsgroup. 1. Sometimes we may find the server aborted due to some hardware failure and we must offline the server for repairing. Or we need to move some servers to join other clusters. So we need to remove these servers from the rsgroup. 2. Dead/recovering/live servers will be disallowed.

Parameters:

servers - set of servers to remove

Throws:

IOException