Package org.apache.hadoop.hdfs.server.federation.fairness

Class StaticRouterRpcFairnessPolicyController

java.lang.Object

org.apache.hadoop.hdfs.server.federation.fairness.AbstractRouterRpcFairnessPolicyController

org.apache.hadoop.hdfs.server.federation.fairness.StaticRouterRpcFairnessPolicyController

All Implemented Interfaces:

RouterRpcFairnessPolicyController

public class StaticRouterRpcFairnessPolicyController
extends AbstractRouterRpcFairnessPolicyController

Static fairness policy extending @AbstractRouterRpcFairnessPolicyController and fetching handlers from configuration for all available name services. The handlers count will not change for this controller.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ERROR_MSG

Constructor Summary

Constructors

Constructor	Description
StaticRouterRpcFairnessPolicyController(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method	Description
void	init(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class org.apache.hadoop.hdfs.server.federation.fairness.AbstractRouterRpcFairnessPolicyController

acquirePermit, contains, getAvailableHandlerOnPerNs, getAvailablePermits, insertNameServiceWithPermits, releasePermit, shutdown

Methods inherited from class java.lang.Object

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

Field Details

ERROR_MSG

public static final String ERROR_MSG

See Also:

• Constant Field Values

Constructor Details

StaticRouterRpcFairnessPolicyController

public StaticRouterRpcFairnessPolicyController(org.apache.hadoop.conf.Configuration conf)

Method Details

init

public void init(org.apache.hadoop.conf.Configuration conf)
          throws IllegalArgumentException

Overrides:

init in class AbstractRouterRpcFairnessPolicyController

Throws:

IllegalArgumentException