https://zhuanlan.zhihu.com/p/88956975 最近一个上线运行良好的项目出现用户无法登录或者执行某个操作时，有卡顿现象。查看了日志，出现了大量的java.lang.OutOfMemoryError: GC overhead limit exceeded错误。 oracl
https://www.percona.com/blog/2016/02/11/measuring-docker-io-overhead/ Back to the Blog 11Feb2016 By Vadim Tkachenko Cloud, MySQL, Percona Software Doc
https://github.com/jvm-profiling-tools/async-profiler This project is a low overhead sampling profiler for Java that does not suffer from Safepoint bi
目录 1. 背景知识 1.1 tracepoints 1.2 硬件特性之cache 2. 主要关注点 3. perf的使用 3.0 perf引入的overhead 3.1 perf list 3.2 perf top 3.3 perf stat 3.4 perf bench 3.4.1 perf b
