docker IO 问题
偶尔发现服务器的IO会突然升高,每次都是loop0的设备占用很高的IO,杀掉docker下的zookeeper就好了,请教下,在docer info下看到这句话该怎么理解,WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.