org.apache.hadoop.hbase.regionserver.throttle

类 PressureAwareFlushThroughputController

java.lang.Object

org.apache.hadoop.conf.Configured

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

org.apache.hadoop.hbase.regionserver.throttle.PressureAwareFlushThroughputController

所有已实现的接口:

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

@InterfaceAudience.LimitedPrivate(value="Configuration")
public class PressureAwareFlushThroughputController
extends PressureAwareThroughputController

A throughput controller which uses the follow schema to limit throughput

• If flush pressure is greater than or equal to 1.0, no limitation.
• In normal case, the max throughput is tuned between "hbase.hstore.flush.throughput.lower.bound" and "hbase.hstore.flush.throughput.upper.bound", using the formula "lower + (upper - lower) * flushPressure", where flushPressure is in range [0.0, 1.0)

另请参阅:

HRegionServer.getFlushPressure()

字段概要

字段

限定符和类型	字段和说明
static String	HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_LOWER_BOUND
static String	HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_UPPER_BOUND
static String	HBASE_HSTORE_FLUSH_THROUGHPUT_CONTROL_CHECK_INTERVAL
static String	HBASE_HSTORE_FLUSH_THROUGHPUT_TUNE_PERIOD

从类继承的字段 org.apache.hadoop.hbase.regionserver.throttle.PressureAwareThroughputController

activeOperations, controlPerSize, maxThroughputLowerBound, maxThroughputUpperBound, offPeakHours, tuningPeriod

构造器概要

构造器

构造器和说明
PressureAwareFlushThroughputController()

方法概要

限定符和类型	方法和说明
void	setConf(org.apache.hadoop.conf.Configuration conf)
void	setup(RegionServerServices server) Setup controller for the given region server.
protected boolean	skipControl(long deltaSize, long controlSize) Check whether to skip control given delta size and control size
String	toString()

从类继承的方法 org.apache.hadoop.hbase.regionserver.throttle.PressureAwareThroughputController

control, finish, getMaxThroughput, isStopped, setMaxThroughput, start, stop, throughputDesc, throughputDesc

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

getConf

从类继承的方法 java.lang.Object

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

字段详细资料

HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_UPPER_BOUND

public static final String HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_UPPER_BOUND

另请参阅:

常量字段值

HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_LOWER_BOUND

public static final String HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_LOWER_BOUND

另请参阅:

常量字段值

HBASE_HSTORE_FLUSH_THROUGHPUT_TUNE_PERIOD

public static final String HBASE_HSTORE_FLUSH_THROUGHPUT_TUNE_PERIOD

另请参阅:

常量字段值

HBASE_HSTORE_FLUSH_THROUGHPUT_CONTROL_CHECK_INTERVAL

public static final String HBASE_HSTORE_FLUSH_THROUGHPUT_CONTROL_CHECK_INTERVAL

另请参阅:

常量字段值

构造器详细资料

PressureAwareFlushThroughputController

public PressureAwareFlushThroughputController()

方法详细资料

setup

public 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

指定者:

setup 在类中 PressureAwareThroughputController

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

指定者:

setConf 在接口中 org.apache.hadoop.conf.Configurable

覆盖:

setConf 在类中 org.apache.hadoop.conf.Configured

toString

public String toString()

覆盖:

toString 在类中 Object

skipControl

protected boolean skipControl(long deltaSize,
                              long controlSize)

从类复制的说明: PressureAwareThroughputController

Check whether to skip control given delta size and control size

指定者:

skipControl 在类中 PressureAwareThroughputController

参数:

deltaSize - Delta size since last control

controlSize - Size limit to perform control

返回:

a boolean indicates whether to skip this control