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8 种 Java- 内存溢出六 -Out of swap space?

6.1 Out of swap space? 概述在启动时, Java 应用会分配有限的内存. 这个限制是通过 -Xmx 和其他类似的启动参数指定. 在这种场景: JVM 申请的总内存大于可用的物理内存, 操作系统开始把这些内存从内存 swap out 到硬盘(分配到 swap 区). ...

8 种 Java- 内存溢出之三 -Permgen space

3.1 Permgen space 概述 Java 应用只允许使用有限的内存. 你的应用的内存大小是在启动的时候指定好的. 进一步来说, Java 内存被分成 2 个不同的区域, 如下图: 这些区域, 包括 perm...

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8 种 Java 内存溢出之一:Java Heap Space

1.1 java.lang.OutOfMemoryError: Java heap space 概述 Java 应用只允许使用有限的内存。这个限制是在应用启动的时候指定的。展开来说， Java 内存分成 2 个不同的区域。这两个区域叫做 Heap Space （堆内存）和 Permgen （Perm...

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更新时间 2024-02-06 09:26:37

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