Linux操作系统内存不足时，会先触发内存回收机制释放内存，并将这部分被释放的内存分配给其他进程。如果内存回收机制不能处理系统内存不足的情况，则系统会触发OOM Killer（Out of Memory Killer）强制释放进程占用的内存，达到给系统解压的目的。本文介绍Alibaba Cloud Linux操作系统出现OOM Killer的可能原因及解决方案。

文章 2023-12-12 来自：开发者社区

个人主页：Lei宝啊愿所有美好如期而遇我们首先来了解几个概念1. 进程在CPU上运行的时候，一定要运行完才行吗？答案是否定的，我们大部分的操作系统，主流就是分时操作系统，即基于时间片进程轮转执行的。时间片是什么呢？就是进程有一个执行时间，这个时间到了就算没执行完，也不会继续执行，而是会执行下一个进程，每个进程都有自己的时间片，时间片到了就下一个进程。2. 竞争性：系统进程很多，但是CPU只有少....

文章 2017-12-28 来自：开发者社区

linux进程的休眠（等待队列）【转】

转自：http://www.cnblogs.com/noaming1900/archive/2011/01/14/1935526.html （转载） bojan 收录于2010-10-09 阅读数：公众公开我也要收藏当进程以阻塞的方式通信，在得到结果前进程会挂起休眠。为了将进程以一种安全的方式进...

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Alibaba Cloud Linux

Alibaba Cloud Linux (原Aliyun Linux) 是阿里云推出的下一代 Linux 发行版，它为云上应用程序环境提供 Linux 社区的最新增强功能，在提供云上最佳用户体验的同时，也针对阿里云基础设施做了深度的优化。

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