org.apache.dubbo.common.threadpool

Class MemoryLimitCalculator

java.lang.Object

org.apache.dubbo.common.threadpool.MemoryLimitCalculator

public class MemoryLimitCalculator
extends Object

Runtime.freeMemory() technology is used to calculate the memory limit by using the percentage of the current maximum available memory, which can be used with MemoryLimiter.

See Also:

MemoryLimiter, MemoryLimitCalculator

Constructor Summary

Constructors

Constructor and Description
MemoryLimitCalculator()

Method Summary

Modifier and Type	Method and Description
static long	calculate(float percentage) Take the current JVM's maximum available memory as a percentage of the result as the limit.
static long	defaultLimit() By default, it takes 80% of the maximum available memory of the current JVM.
static long	maxAvailable() Get the maximum available memory of the current JVM.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryLimitCalculator

public MemoryLimitCalculator()

Method Detail

maxAvailable

public static long maxAvailable()

Get the maximum available memory of the current JVM.

Returns:

maximum available memory

calculate

public static long calculate(float percentage)

Take the current JVM's maximum available memory as a percentage of the result as the limit.

Parameters:

percentage - percentage

Returns:

available memory

defaultLimit

public static long defaultLimit()

By default, it takes 80% of the maximum available memory of the current JVM.

Returns:

available memory