今天早上到办公室，开发说测试环境应用程序挂掉，看日志说是连接不上数据库，经查看，数据库在晚上10点的时候挂掉，告警日志报错如下： WARNING: You are trying to use the MEMORY_TARGET feature. This feature requires the /dev/shm file system to be mounted for at least 7868514304 bytes. /dev/shm is eith ...