com.alipay.sofa.registry.server.meta.slot.balance

类 NaiveBalancePolicy

java.lang.Object

com.alipay.sofa.registry.server.meta.slot.balance.NaiveBalancePolicy

所有已实现的接口:

BalancePolicy

public class NaiveBalancePolicy
extends Object
implements BalancePolicy

作者:

chen.zhu

Jan 20, 2021

字段概要

字段

限定符和类型	字段和说明
static int	DEF_LEADER_MAX_MOVE
static String	PROP_BALANCE_THRESHOLD
static String	PROP_FOLLOWER_MAX_MOVE
static String	PROP_LEADER_MAX_MOVE

构造器概要

构造器

构造器和说明
NaiveBalancePolicy()

方法概要

限定符和类型	方法和说明
int	getHighWaterMarkSlotFollowerNums(int average)
int	getHighWaterMarkSlotLeaderNums(int average)
int	getLowWaterMarkSlotFollowerNums(int average) Gets get low water mark of follower slot nums. low watermark means the threshold we could endure with, that once the follower slot numbers on a data-server is under the low water mark, we need to rebalance the slot-table
int	getLowWaterMarkSlotLeaderNums(int average) Gets get low water mark slot leader nums. low watermark means the threshold we could endure with, that once the slot leader numbers on a data-server is under the low water mark, we need to rebalance the slot-table
int	getMaxMoveFollowerSlots() Gets get max move follower slots. max move means the maximum number of slots' followers we are good to migrate per balance time
int	getMaxMoveLeaderSlots() Gets get max move leader slots. max move means the maximum number of slots' leader we are good to migrate per balance time
void	setBalanceThreshold(int balanceThreshold)
void	setMaxMoveFollowerSlots(int maxMoveFollowerSlots)
void	setMaxMoveLeaderSlots(int maxMoveLeaderSlots)

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

PROP_LEADER_MAX_MOVE

public static final String PROP_LEADER_MAX_MOVE

另请参阅:

常量字段值

PROP_FOLLOWER_MAX_MOVE

public static final String PROP_FOLLOWER_MAX_MOVE

另请参阅:

常量字段值

PROP_BALANCE_THRESHOLD

public static final String PROP_BALANCE_THRESHOLD

另请参阅:

常量字段值

DEF_LEADER_MAX_MOVE

public static final int DEF_LEADER_MAX_MOVE

另请参阅:

常量字段值

构造器详细资料

NaiveBalancePolicy

public NaiveBalancePolicy()

方法详细资料

getLowWaterMarkSlotLeaderNums

public int getLowWaterMarkSlotLeaderNums(int average)

从接口复制的说明: BalancePolicy

Gets get low water mark slot leader nums. low watermark means the threshold we could endure with, that once the slot leader numbers on a data-server is under the low water mark, we need to rebalance the slot-table

指定者:

getLowWaterMarkSlotLeaderNums 在接口中 BalancePolicy

参数:

average - the average

返回:

the get low water mark slot leader nums

getHighWaterMarkSlotLeaderNums

public int getHighWaterMarkSlotLeaderNums(int average)

指定者:

getHighWaterMarkSlotLeaderNums 在接口中 BalancePolicy

getLowWaterMarkSlotFollowerNums

public int getLowWaterMarkSlotFollowerNums(int average)

从接口复制的说明: BalancePolicy

Gets get low water mark of follower slot nums. low watermark means the threshold we could endure with, that once the follower slot numbers on a data-server is under the low water mark, we need to rebalance the slot-table

指定者:

getLowWaterMarkSlotFollowerNums 在接口中 BalancePolicy

参数:

average - the average

返回:

the get low water mark of slot follower nums

getHighWaterMarkSlotFollowerNums

public int getHighWaterMarkSlotFollowerNums(int average)

指定者:

getHighWaterMarkSlotFollowerNums 在接口中 BalancePolicy

getMaxMoveLeaderSlots

public int getMaxMoveLeaderSlots()

从接口复制的说明: BalancePolicy

Gets get max move leader slots. max move means the maximum number of slots' leader we are good to migrate per balance time

指定者:

getMaxMoveLeaderSlots 在接口中 BalancePolicy

返回:

the get max move leader slots

getMaxMoveFollowerSlots

public int getMaxMoveFollowerSlots()

从接口复制的说明: BalancePolicy

Gets get max move follower slots. max move means the maximum number of slots' followers we are good to migrate per balance time

指定者:

getMaxMoveFollowerSlots 在接口中 BalancePolicy

返回:

the get max move follower slots

setBalanceThreshold

public void setBalanceThreshold(int balanceThreshold)

setMaxMoveLeaderSlots

public void setMaxMoveLeaderSlots(int maxMoveLeaderSlots)

setMaxMoveFollowerSlots

public void setMaxMoveFollowerSlots(int maxMoveFollowerSlots)