JAVA consumes maximum CPU in on-prem OCCM
Applies to
- OnCommandCloudManager (OCCM)
Issue
- JAVA consumes over 100% CPU resource that can lead to
Server Communication Error
- From OCCM CLI the issue can be confirmed with
top
command:
top - 10:27:29 up 3 days, 15:46, 1 user, load average: 6.27, 4.84, 3.98 Tasks: 193 total, 1 running, 192 sleeping, 0 stopped, 0 zombie %Cpu(s): 44.8 us, 12.1 sy, 0.0 ni, 43.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 8009036 total, 3930856 free, 2616308 used, 1461872 buff/cache KiB Swap: 4063228 total, 4063228 free, 0 used. 5134924 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 13028 root 20 0 5949636 2.1g 31288 S 226.7 27.0 22:31.61 java 1 root 20 0 193692 6720 4176 S 0.0 0.1 0:03.02 systemd 2 root 20 0 0 0 0 S 0.0 0.0 0:00.03 kthreadd 4 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H 6 root 20 0 0 0 0 S 0.0 0.0 0:00.67 ksoftirqd/0 7 root rt 0 0 0 0 S 0.0 0.0 0:00.03 migration/0