Java问题汇总

【memory allocation】Native memory allocation

294 (mmap) failed to map 12288 bytes for committing reserved memory.

查看： sysctl vm.max_map_count

调整：sudo sysctl -w vm.max_map_count= 2048000   (单个JVM下支撑100w线程数)

参考： 单个JVM下支撑100w线程数vm.max_map_count