缘起: 今天早晨收到报警,服务不干活了,赶紧起来看问题... 为了尽快让服务可用,尝试重启服务,发现服务起不来,报错 redis connection failed! 看起来是redis挂了,但是发现redis的进程还在.进一步看服务的错误日志: redis.clients.jedis.exceptions.JedisDataException: MISCONF Redis is configured to save RDB snapshots, but is currently not abl…