zabbix31027122528
[root@DB3 data1]# top top - 14:06:03 up 829 days, 5 min, 1 user, load average: 0.00, 0.02, 0.05 Tasks: 167 total, 1 running, 166 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.2 us, 0.1 sy, 0.0 ni, 99.5 id, 0.2 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 32520424 total, 14101408 used, 18419016 free, 144168 buffers KiB Swap: 0 total, 0 used, 0 free. 1240256 cached Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3348 mysql 20 0 6048008 4.340g 7436 S 1.0 14.0 48:20.58 mysqld 1039 mysql 20 0 32.919g 5.942g 0 S 0.3 19.2 923:58.09 mysqld 18301 root 20 0 123692 1672 1176 R 0.3 0.0 0:00.02 top 1 root 20 0 41108 2384 1232 S 0.0 0.0 8:53.72 systemd 2 root 20 0 0 0 0 S 0.0 0.0 0:05.82 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 1:30.15 ksoftirqd/0 5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H 7 root rt 0 0 0 0 S 0.0 0.0 0:21.02 migration/0 8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh 9 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/0 10 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/1 11 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/2 12 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/3 13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/4 14 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/5 15 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/6 16 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/7 17 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/8 18 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/9 19 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/10 20 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/11 21 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/12 22 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/13 23 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcuob/14 24 root 20 0 0 0 0 S 0.0 0.0 373:05.02 rcu_schedmysql内存不断被占用，导致每隔一个多月就自动重启，修改数据库配置后，问题解决
