While investigating the root cause i wanted to change the unit configuration to restart if killed. Something that makes the oom_reaper necessary even in case the killer won't ever be launched ? 能遇到很多次oom，说明你本身业务也好，还是工作职能也好，应该对于oom不陌生，我简单整理一下： 定义： oom是out of memory的缩写，来源于java.lang.outofmemoryerror这个常见的报错，一般.
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直译是 内存溢出。 由于每一个java进程都有一个自己的内存阈值，比如你的计算机本身8g内存，然后启动项目时给这个java进程分配了2g内存。我们都知道在java运行过程中会把很多内容放入 jvm 内存. If not, how is it possible to prevent oom_reaper to be launched when vm.panic_on_oom. The kernel will have logged a bunch of stuff before this happened, but most of it will probably not be in /var/log/messages, depending on how your (r)syslogd is configured.
The mysql.service got killed by the oom killer.
