我知道这非常奇怪，而且是突然发生的。我在查看服务器磁盘使用情况时注意到它变得非常高。结果发现 /var/lib/mysql/my.cnf 中充满了日志……是的，如果我 vi my.cnf，我会得到以下信息：
170217 0:56:49 587333144 Query SET NAMES utf8
170217 0:56:46 587333157 Connect XXX@localhost on XXX
170217 0:56:49 587333151 Init DB XXX
170217 0:56:47 587333159 Connect XXX@localhost on XXX
170217 0:56:48 587333160 Connect XXX@localhost on XXX
587333161 Connect XXX@localhost on XXX
170217 0:56:33 587333089 Connect XXX@localhost on XXX
170217 0:56:49 587333157 Init DB XXX
587333160 Init DB XXX
170217 0:56:34 587333093 Connect XXX@localhost on XXX
170217 0:56:49 587333091 Init DB XXX
587333092 Init DB XXX
587333089 Init DB XXX
587333151 Query SET NAMES utf8
170217 0:56:35 587333098 Connect XXX@localhost on XXX
170217 0:56:49 587333093 Init DB XXX
587333094 Query SET NAMES utf8
170217 0:56:37 587333103 Connect XXX@localhost on
170217 0:56:49 587333089 Query SET NAMES utf8
587333100 Query SET NAMES utf8
170217 0:56:37 587333105 Connect XXX@localhost on XXX
170217 0:56:49 587333091 Query SET NAMES utf8
587333103 Init DB XXX
587333092 Query SET NAMES utf8
587333097 Query SET NAMES utf8
587333107 Init DB XXX
587333106 Init DB XXX
587333108 Init DB XXX
587333113 Init DB XXX
587333104 Query SET NAMES utf8
587333114 Init DB XXX
587333112 Init DB XXX
587333113 Query SET NAMES utf8
XXX = 数据库名称。
我知道该怎么做才能阻止这种情况发生吗？