Hi,
I am frequently receiving alerts for high CPU as shown below.
Message: CPU Utilization is 96.029%, crossed warning (80) or critical (95) threshold.
My findings
But I could see none of the processes are occupying more CPU on the server. Could you please comment as why I am receiving alerts for high CPU when CPU% is below threshold value?.
$ top
top - 20:31:03 up 190 days, 6:24, 2 users, load average: 32.13, 33.53, 33.88
Tasks: 2379 total, 31 running, 2348 sleeping, 0 stopped, 0 zombie
Cpu(s): 79.8%us, 17.0%sy, 0.0%ni, 0.1%id, 0.5%wa, 0.0%hi, 2.6%si, 0.0%st
Mem: 264493560k total, 242572580k used, 21920980k free, 1536356k buffers
Swap: 33554428k total, 0k used, 33554428k free, 220952600k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
36418 oracle 20 0 2862m 52m 48m R 38.1 0.0 0:15.68 oracle
46285 oracle 20 0 2315m 325m 317m R 24.6 0.1 3219:37 oracle
Oracle -- 11.2.0.4.0
OS -- Linux 6.6
This is HA cluster with 2 node cluster
There are 10 databases running on the server.
This is PROD env.
Regards,
Bala