org.apache.hadoop.hbase.client

Class MasterRegistry

java.lang.Object

org.apache.hadoop.hbase.client.AbstractRpcBasedConnectionRegistry

org.apache.hadoop.hbase.client.MasterRegistry

All Implemented Interfaces:

Closeable, AutoCloseable, ConnectionRegistry

Deprecated.

Since 2.5.0, will be removed in 4.0.0. Use RpcConnectionRegistry instead.

@Deprecated
 @InterfaceAudience.Private
public class MasterRegistry
extends AbstractRpcBasedConnectionRegistry

Master based registry implementation. Makes RPCs to the configured master addresses from config "hbase.masters".

It supports hedged reads, set the fan out of the requests batch by MASTER_REGISTRY_HEDGED_REQS_FANOUT_KEY to a value greater than 1 will enable it(the default value is AbstractRpcBasedConnectionRegistry.HEDGED_REQS_FANOUT_DEFAULT).

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.client.AbstractRpcBasedConnectionRegistry

AbstractRpcBasedConnectionRegistry.Callable<T>

Field Summary

Fields

Modifier and Type	Field and Description
private String	connectionString Deprecated.
private static String	MASTER_ADDRS_CONF_SEPARATOR Deprecated.
static String	MASTER_REGISTRY_HEDGED_REQS_FANOUT_KEY Deprecated. Configuration key that controls the fan out of requests
static String	MASTER_REGISTRY_INITIAL_REFRESH_DELAY_SECS Deprecated.
static String	MASTER_REGISTRY_MIN_SECS_BETWEEN_REFRESHES Deprecated.
static String	MASTER_REGISTRY_PERIODIC_REFRESH_INTERVAL_SECS Deprecated.

Fields inherited from class org.apache.hadoop.hbase.client.AbstractRpcBasedConnectionRegistry

HEDGED_REQS_FANOUT_DEFAULT

Constructor Summary

Constructors

Constructor and Description
MasterRegistry(org.apache.hadoop.conf.Configuration conf) Deprecated.

Method Summary

Modifier and Type	Method and Description
protected CompletableFuture<Set<ServerName>>	fetchEndpoints() Deprecated.
protected Set<ServerName>	getBootstrapNodes(org.apache.hadoop.conf.Configuration conf) Deprecated.
String	getConnectionString() Deprecated. Return the connection string associated with this registry instance.
(package private) static String	getConnectionString(org.apache.hadoop.conf.Configuration conf) Deprecated.
static String	getMasterAddr(org.apache.hadoop.conf.Configuration conf) Deprecated. Builds the default master address end point if it is not specified in the configuration.
(package private) CompletableFuture<Set<ServerName>>	getMasters() Deprecated.
static Set<ServerName>	parseMasterAddrs(org.apache.hadoop.conf.Configuration conf) Deprecated. Parses the list of master addresses from the provided configuration.
private static Set<ServerName>	transformServerNames(org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetMastersResponse resp) Deprecated.

Methods inherited from class org.apache.hadoop.hbase.client.AbstractRpcBasedConnectionRegistry

call, close, getActiveMaster, getClusterId, getMetaRegionLocations, getParsedServers

Methods inherited from class java.lang.Object

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

Field Detail

MASTER_REGISTRY_HEDGED_REQS_FANOUT_KEY

public static final String MASTER_REGISTRY_HEDGED_REQS_FANOUT_KEY

Deprecated.

Configuration key that controls the fan out of requests

See Also:

Constant Field Values

MASTER_REGISTRY_INITIAL_REFRESH_DELAY_SECS

public static final String MASTER_REGISTRY_INITIAL_REFRESH_DELAY_SECS

Deprecated.

See Also:

Constant Field Values

MASTER_REGISTRY_PERIODIC_REFRESH_INTERVAL_SECS

public static final String MASTER_REGISTRY_PERIODIC_REFRESH_INTERVAL_SECS

Deprecated.

See Also:

Constant Field Values

MASTER_REGISTRY_MIN_SECS_BETWEEN_REFRESHES

public static final String MASTER_REGISTRY_MIN_SECS_BETWEEN_REFRESHES

Deprecated.

See Also:

Constant Field Values

MASTER_ADDRS_CONF_SEPARATOR

private static final String MASTER_ADDRS_CONF_SEPARATOR

Deprecated.

See Also:

Constant Field Values

connectionString

private final String connectionString

Deprecated.

Constructor Detail

MasterRegistry

MasterRegistry(org.apache.hadoop.conf.Configuration conf)
        throws IOException

Deprecated.

Throws:

IOException

Method Detail

parseMasterAddrs

public static Set<ServerName> parseMasterAddrs(org.apache.hadoop.conf.Configuration conf)
                                        throws UnknownHostException

Deprecated.

Parses the list of master addresses from the provided configuration. Supported format is comma separated host[:port] values. If no port number if specified, default master port is assumed.

Parameters:

conf - Configuration to parse from.

Throws:

UnknownHostException

getBootstrapNodes

protected Set<ServerName> getBootstrapNodes(org.apache.hadoop.conf.Configuration conf)
                                     throws IOException

Deprecated.

Specified by:

getBootstrapNodes in class AbstractRpcBasedConnectionRegistry

Throws:

IOException

fetchEndpoints

protected CompletableFuture<Set<ServerName>> fetchEndpoints()

Deprecated.

Specified by:

fetchEndpoints in class AbstractRpcBasedConnectionRegistry

getConnectionString

public String getConnectionString()

Deprecated.

Description copied from interface: ConnectionRegistry

Return the connection string associated with this registry instance. This value is informational, used for annotating traces. Values returned may not be valid for establishing a working cluster connection.

getConnectionString

static String getConnectionString(org.apache.hadoop.conf.Configuration conf)
                           throws UnknownHostException

Deprecated.

Throws:

UnknownHostException

getMasterAddr

public static String getMasterAddr(org.apache.hadoop.conf.Configuration conf)
                            throws UnknownHostException

Deprecated.

Builds the default master address end point if it is not specified in the configuration.

Will be called in HBaseTestingUtility.

Throws:

UnknownHostException

transformServerNames

private static Set<ServerName> transformServerNames(org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetMastersResponse resp)

Deprecated.

getMasters

CompletableFuture<Set<ServerName>> getMasters()

Deprecated.