org.apache.hadoop.hbase.regionserver.throttle

类 PressureAwareThroughputController

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.hbase.regionserver.throttle.PressureAwareThroughputController

所有已实现的接口:

org.apache.hadoop.conf.Configurable, ThroughputController, Stoppable

直接已知子类:

PressureAwareCompactionThroughputController, PressureAwareFlushThroughputController

@InterfaceAudience.LimitedPrivate(value="Configuration")
public abstract class PressureAwareThroughputController
extends org.apache.hadoop.conf.Configured
implements ThroughputController, Stoppable

字段概要

字段

限定符和类型	字段和说明
protected ConcurrentMap<String,org.apache.hadoop.hbase.regionserver.throttle.PressureAwareThroughputController.ActiveOperation>	activeOperations
protected long	controlPerSize
protected long	maxThroughputLowerBound
protected long	maxThroughputUpperBound
protected OffPeakHours	offPeakHours
protected int	tuningPeriod

构造器概要

构造器

构造器和说明
PressureAwareThroughputController()

方法概要

限定符和类型	方法和说明
long	control(String opName, long size) Control the throughput.
void	finish(String opName) Finish the controller.
double	getMaxThroughput()
boolean	isStopped()
void	setMaxThroughput(double maxThroughput)
abstract void	setup(RegionServerServices server) Setup controller for the given region server.
protected abstract boolean	skipControl(long deltaSize, long controlSize) Check whether to skip control given delta size and control size
void	start(String opName) Start the throughput controller.
void	stop(String why)
protected String	throughputDesc(double speed)
protected String	throughputDesc(long deltaSize, long elapsedTime)

从类继承的方法 org.apache.hadoop.conf.Configured

getConf, setConf

从类继承的方法 java.lang.Object

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

字段详细资料

maxThroughputUpperBound

protected long maxThroughputUpperBound

maxThroughputLowerBound

protected long maxThroughputLowerBound

offPeakHours

protected OffPeakHours offPeakHours

controlPerSize

protected long controlPerSize

tuningPeriod

protected int tuningPeriod

activeOperations

protected final ConcurrentMap<String,org.apache.hadoop.hbase.regionserver.throttle.PressureAwareThroughputController.ActiveOperation> activeOperations

构造器详细资料

PressureAwareThroughputController

public PressureAwareThroughputController()

方法详细资料

setup

public abstract void setup(RegionServerServices server)

从接口复制的说明: ThroughputController

Setup controller for the given region server.

指定者:

setup 在接口中 ThroughputController

throughputDesc

protected String throughputDesc(long deltaSize,
                                long elapsedTime)

throughputDesc

protected String throughputDesc(double speed)

start

public void start(String opName)

从接口复制的说明: ThroughputController

Start the throughput controller.

指定者:

start 在接口中 ThroughputController

control

public long control(String opName,
                    long size)
             throws InterruptedException

从接口复制的说明: ThroughputController

Control the throughput. Will sleep if too fast.

指定者:

control 在接口中 ThroughputController

返回:

the actual sleep time.

抛出:

InterruptedException

skipControl

protected abstract boolean skipControl(long deltaSize,
                                       long controlSize)

Check whether to skip control given delta size and control size

参数:

deltaSize - Delta size since last control

controlSize - Size limit to perform control

返回:

a boolean indicates whether to skip this control

finish

public void finish(String opName)

从接口复制的说明: ThroughputController

Finish the controller. Should call this method in a finally block.

指定者:

finish 在接口中 ThroughputController

stop

public void stop(String why)

指定者:

stop 在接口中 Stoppable

isStopped

public boolean isStopped()

指定者:

isStopped 在接口中 Stoppable

getMaxThroughput

public double getMaxThroughput()

setMaxThroughput

public void setMaxThroughput(double maxThroughput)