除了放入数据之外,机器内存还可以用于操作系统、中间件和应用程序逻辑等。
A machine's memory is used for the operating system, and middleware and application logic, among other things, in addition to the data you put in it.
使用其他机器的内存进行扩展非常合适。
一定要保证规定的JVM最大堆长度小于机器的物理内存。
Be sure that the JVM maximum heap size specified is less than the total physical memory of the machine.
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