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今天早上数据库运行缓慢,用top命令查出oracle占用cpu的比例非常高。如何查出是什么原因啊?
操作系统是solaris9 sparc
load averages: 9.36, 9.20, 8.67 MISDB 11:04:18
121 processes: 105 sleeping, 12 running, 2 stopped, 2 on cpu
CPU states: 0.0% idle, 98.0% user, 2.0% kernel, 0.0% iowait, 0.0% swap
Memory: 8.0G real, 472M free, 6.7G swap in use, 3.3G swap free
PID USERNAME THR PR NCE SIZE RES STATE TIME FLTS CPU COMMAND
1987 oracle 1 32 0 6.4G 6.0G run 192:38 0 10.18% oracle
4675 oracle 1 32 0 6.4G 6.0G run 21:05 0 9.91% oracle
2779 oracle 1 22 0 6.4G 6.0G run 64:26 0 9.68% oracle
5478 oracle 1 42 0 6.4G 6.0G run 13:17 0 9.66% oracle
7367 oracle 1 42 0 6.4G 6.0G run 0:20 0 9.57% oracle
4761 oracle 1 32 0 6.4G 6.0G run 12:56 0 9.55% oracle
6812 oracle 1 41 0 6.4G 6.0G run 4:36 0 9.39% oracle
7394 oracle 1 42 0 6.4G 6.0G run 0:02 0 2.25% oracle
4717 oracle 1 59 0 6.4G 6.0G sleep 4:37 0 2.15% oracle
7403 oracle 1 59 0 6.4G 6.0G sleep 0:02 0 2.09% oracle
7392 oracle 1 59 0 6.4G 6.0G sleep 0:03 0 1.98% oracle
6874 oracle 1 59 0 6.4G 6.0G sleep 0:24 0 1.57% oracle
5773 oracle 1 59 0 6.4G 6.0G sleep 2:49 0 1.43% oracle
7164 oracle 1 49 0 6.4G 6.0G run 0:22 0 1.41% oracle
6053 oracle 1 59 0 6.4G 6.0G sleep 1:49 0 1.37% oracle |
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