org.apache.hadoop.hbase.rsgroup

类 RSGroupAdminServer

java.lang.Object

org.apache.hadoop.hbase.rsgroup.RSGroupAdminServer

所有已实现的接口:

Closeable, AutoCloseable, RSGroupAdmin

@InterfaceAudience.Private
public class RSGroupAdminServer
extends Object
implements RSGroupAdmin

Service to support Region Server Grouping (HBase-6721)

构造器概要

构造器

构造器和说明
RSGroupAdminServer(MasterServices master, RSGroupInfoManager RSGroupInfoManager)

方法概要

方法

限定符和类型	方法和说明
void	addRSGroup(String name) Creates a new RegionServer group with the given name.
boolean	balanceRSGroup(String groupName) Balance regions in the given RegionServer group.
void	cleanupRSGroupForTable(TableName tableName)
void	close()
RSGroupInfo	getRSGroupInfo(String groupName) Gets RSGroupInfo for given group name.
RSGroupInfoManager	getRSGroupInfoManager()
RSGroupInfo	getRSGroupInfoOfTable(TableName tableName) Gets RSGroupInfo for the given table's group.
RSGroupInfo	getRSGroupOfServer(Address server) Retrieve the RSGroupInfo a server is affiliated to
List<RSGroupInfo>	listRSGroups() Lists current set of RegionServer groups.
void	moveServers(Set<Address> servers, String targetGroupName) Move given set of servers to the specified target RegionServer group.
void	moveServersAndTables(Set<Address> servers, Set<TableName> tables, String targetGroup) Move given set of servers and tables to the specified target RegionServer group.
void	moveTables(Set<TableName> tables, String targetGroup) Move given set of tables to the specified target RegionServer group.
void	prepareRSGroupForTable(HTableDescriptor desc)
void	removeRSGroup(String name) Removes RegionServer group associated with the given name.
void	removeServers(Set<Address> servers) Remove decommissioned servers from rsgroup. 1.

从类继承的方法 java.lang.Object

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

构造器详细资料

RSGroupAdminServer

public RSGroupAdminServer(MasterServices master,
                  RSGroupInfoManager RSGroupInfoManager)
                   throws IOException

抛出:

IOException

方法详细资料

getRSGroupInfo

public RSGroupInfo getRSGroupInfo(String groupName)
                           throws IOException

从接口复制的说明: RSGroupAdmin

Gets RSGroupInfo for given group name.

指定者:

getRSGroupInfo 在接口中 RSGroupAdmin

抛出:

IOException

getRSGroupInfoOfTable

public RSGroupInfo getRSGroupInfoOfTable(TableName tableName)
                                  throws IOException

从接口复制的说明: RSGroupAdmin

Gets RSGroupInfo for the given table's group.

指定者:

getRSGroupInfoOfTable 在接口中 RSGroupAdmin

抛出:

IOException

moveServers

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

从接口复制的说明: RSGroupAdmin

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

指定者:

moveServers 在接口中 RSGroupAdmin

抛出:

IOException

moveTables

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

从接口复制的说明: RSGroupAdmin

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.

指定者:

moveTables 在接口中 RSGroupAdmin

抛出:

IOException

addRSGroup

public void addRSGroup(String name)
                throws IOException

从接口复制的说明: RSGroupAdmin

Creates a new RegionServer group with the given name.

指定者:

addRSGroup 在接口中 RSGroupAdmin

抛出:

IOException

removeRSGroup

public void removeRSGroup(String name)
                   throws IOException

从接口复制的说明: RSGroupAdmin

Removes RegionServer group associated with the given name.

指定者:

removeRSGroup 在接口中 RSGroupAdmin

抛出:

IOException

balanceRSGroup

public boolean balanceRSGroup(String groupName)
                       throws IOException

从接口复制的说明: RSGroupAdmin

Balance regions in the given RegionServer group.

指定者:

balanceRSGroup 在接口中 RSGroupAdmin

返回:

boolean Whether balance ran or not

抛出:

IOException

listRSGroups

public List<RSGroupInfo> listRSGroups()
                               throws IOException

从接口复制的说明: RSGroupAdmin

Lists current set of RegionServer groups.

指定者:

listRSGroups 在接口中 RSGroupAdmin

抛出:

IOException

getRSGroupOfServer

public RSGroupInfo getRSGroupOfServer(Address server)
                               throws IOException

从接口复制的说明: RSGroupAdmin

Retrieve the RSGroupInfo a server is affiliated to

指定者:

getRSGroupOfServer 在接口中 RSGroupAdmin

参数:

server - HostPort to get RSGroupInfo for

抛出:

IOException

getRSGroupInfoManager

@InterfaceAudience.Private
public RSGroupInfoManager getRSGroupInfoManager()
                                         throws IOException

抛出:

IOException

removeServers

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

从接口复制的说明: RSGroupAdmin

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.

指定者:

removeServers 在接口中 RSGroupAdmin

参数:

servers - set of servers to remove

抛出:

IOException

prepareRSGroupForTable

public void prepareRSGroupForTable(HTableDescriptor desc)
                            throws IOException

抛出:

IOException

cleanupRSGroupForTable

public void cleanupRSGroupForTable(TableName tableName)
                            throws IOException

抛出:

IOException

moveServersAndTables

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

从接口复制的说明: RSGroupAdmin

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

指定者:

moveServersAndTables 在接口中 RSGroupAdmin

参数:

servers - set of servers to move

tables - set of tables to move

targetGroup - the target group name

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

抛出:

IOException