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java - JVM启动参数-Xmx的默认值是多少？
黄舟
黄舟 2017-04-18 10:13:06
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黄舟
黄舟

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左手右手慢动作
左手右手慢动作2017-04-18 10:15:06 2 floor

Oracle’s official documentation was not found. Please try the explanation in the SO answer.
http://stackoverflow.com/ques...

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阿神
阿神2017-04-18 10:15:06 1 floor

To answer your actual question: Only run server 模式下的时候才是 min(1G, 物理内存的四分之一) 所以依你的情况应该是 1G 的样子 当然别忘了要用 java -server <类名> to start your program ..

You can also try printing the value of Runtime.getRuntime().maxMemory() in the program to see what it is

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