I am running MySQL on an Amazon Linux AMI. There is nothing connected to it. There are no connections and no other applications running that use MySQL. It is completely idle, but yet, top is reporting that mysql is using 62% of the CPU? Why is this happening and how do I fix it?
Cpu(s): 0.2%us, 0.2%sy, 0.0%ni, 97.8%id, 0.0%wa, 0.0%hi, 0.0%si, 1.7%st
Mem: 1738504k total, 390708k used, 1347796k free, 56888k buffers
Swap: 917500k total, 0k used, 917500k free, 229804k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2959 mysql 20 0 466m 39m 5244 S 62.2 2.3 4:00.67 mysqld
1 root 20 0 19252 1504 1212 S 0.0 0.1 0:00.20 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
There are no connections...
mysql> show processlist;
+----+------+-----------+------+---------+------+-------+------------------+
| Id | User | Host | db | Command | Time | State | Info |
+----+------+-----------+------+---------+------+-------+------------------+
| 5 | root | localhost | NULL | Query | 0 | NULL | show processlist |
+----+------+-----------+------+---------+------+-------+------------------+