org.apache.hadoop.hdfs.server.protocol

Class BalancerBandwidthCommand

java.lang.Object

org.apache.hadoop.hdfs.server.protocol.ServerCommand

org.apache.hadoop.hdfs.server.protocol.DatanodeCommand

org.apache.hadoop.hdfs.server.protocol.BalancerBandwidthCommand

public class BalancerBandwidthCommand
extends org.apache.hadoop.hdfs.server.protocol.DatanodeCommand

Balancer bandwidth command instructs each datanode to change its value for the max amount of network bandwidth it may use during the block balancing operation. The Balancer Bandwidth Command contains the new bandwidth value as its payload. The bandwidth value is in bytes per second.

Constructor Summary

Constructors

Constructor and Description
BalancerBandwidthCommand(long bandwidth) Balancer Bandwidth Command constructor.

Method Summary

Methods

Modifier and Type	Method and Description
long	getBalancerBandwidthValue() Get current value of the max balancer bandwidth in bytes per second.

Methods inherited from class org.apache.hadoop.hdfs.server.protocol.ServerCommand

getAction, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

BalancerBandwidthCommand

public BalancerBandwidthCommand(long bandwidth)

Balancer Bandwidth Command constructor.

Parameters:

bandwidth - Blanacer bandwidth in bytes per second.

Method Detail

getBalancerBandwidthValue

public long getBalancerBandwidthValue()

Get current value of the max balancer bandwidth in bytes per second.

Returns:

bandwidth Blanacer bandwidth in bytes per second for this datanode.