HPE Community read-only access December 15, 2018
This is a maintenance upgrade. You will be able to read articles and posts, but not post or reply.
Dec 15, 4:00 am to 10:00 am UTC
Dec 14, 10:00 pm CST to Dec 15, 4:00 am CST
Dec 14, 8:00 pm PST to Dec 15, 2:00 am PST
Showing results for 
Search instead for 
Did you mean: 

CPU Utilization problem

Yazan Yacoub
Regular Advisor

CPU Utilization problem

Hello every body,

I have rx8640 machine hosting oracle database, CPU performance problem happened recently, 2 months ago, I have checked the processes and I have noticed that when ever lnslsnr service is running, system CPU utilization is very high.

I am looking for a document to tune lnslsnr service, if any one can help.

Frequent Advisor

Re: CPU Utilization problem

Hi Yazan,

Check the kernel, especially these values:

nkthread, maxdsiz, max_thread_proc, maxusers, maxfiles_lim, maxfiles, maxdsiz_64bit, maxssiz, maxssiz_64bit, shmmax.

Honored Contributor

Re: CPU Utilization problem

you need to take a workaround with your DBA regarding kernel parameter settings.
a warrior never quits
Yazan Yacoub
Regular Advisor

Re: CPU Utilization problem


Problem found from DBAs side.

Thanks for all.