org.apache.hadoop.hbase.rsgroup

Class RSGroupUtil

java.lang.Object

org.apache.hadoop.hbase.rsgroup.RSGroupUtil

@InterfaceAudience.Private
public final class RSGroupUtil
extends Object

Helper class for RSGroup implementation

Field Summary

Fields

Modifier and Type	Field and Description
static String	RS_GROUP_ENABLED

Method Summary

Modifier and Type	Method and Description
static void	enableRSGroup(org.apache.hadoop.conf.Configuration conf)
static RSGroupInfo	fillTables(RSGroupInfo rsGroupInfo, Collection<TableDescriptor> tds) Fill the tables field for RSGroupInfo, for backward compatibility.
static Optional<RSGroupInfo>	getRSGroupInfo(MasterServices master, RSGroupInfoManager manager, TableName tableName) Will try to get the rsgroup from TableDescriptor first, and then try to get the rsgroup from the NamespaceDescriptor.
static boolean	isRSGroupEnabled(org.apache.hadoop.conf.Configuration conf)
static List<TableName>	listTablesInRSGroup(MasterServices master, String groupName)

Methods inherited from class java.lang.Object

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

Field Detail

RS_GROUP_ENABLED

public static final String RS_GROUP_ENABLED

See Also:

Constant Field Values

Method Detail

isRSGroupEnabled

public static boolean isRSGroupEnabled(org.apache.hadoop.conf.Configuration conf)

enableRSGroup

public static void enableRSGroup(org.apache.hadoop.conf.Configuration conf)

listTablesInRSGroup

public static List<TableName> listTablesInRSGroup(MasterServices master,
                                                  String groupName)
                                           throws IOException

Throws:

IOException

getRSGroupInfo

public static Optional<RSGroupInfo> getRSGroupInfo(MasterServices master,
                                                   RSGroupInfoManager manager,
                                                   TableName tableName)
                                            throws IOException

Will try to get the rsgroup from TableDescriptor first, and then try to get the rsgroup from the NamespaceDescriptor. If still not present, return empty.

Throws:

IOException

fillTables

public static RSGroupInfo fillTables(RSGroupInfo rsGroupInfo,
                                     Collection<TableDescriptor> tds)

Fill the tables field for RSGroupInfo, for backward compatibility.