High CPU Usage in Panorama V5.0.4

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 
Announcements
Please sign in to see details of an important advisory in our Customer Advisories area.

High CPU Usage in Panorama V5.0.4

L4 Transporter

Hi I am seeing the process pan_summary_gen clocking up 80-100% CPU at regular intervals for a few minutes at a time.  Is this a known or should I report it?

8 REPLIES 8

L7 Applicator

The pan_summary_gen process will spike the CPU at regular intervals while it creates the summary reports for the ACC. This is expected, and will not cause any interruption in function. The spikes should be fairly brief. You can run a top-like command to monitor it for a while if you like:

> show system resources follow

Hitting 'q' will get you out of that command.

Hope this helps,

Greg Wesson

Thanks, I have been monitoring it with "top" and with the Vsphere client but what I have seen is since adding an NFS partition the spikes have shot up from 10 to 15% of the CPU to 65% or more.

panorama cpu.jpg

That is something I wouldn't expect. If you only added the NFS partition and no other changes, unless that NFS is highly latent where we are spending cycles waiting on read/write operations, I would expect the CPU to be the same as before. You may want to get a support case opened to double check.

Greg Wesson

OK Thanks, I'll see what they say

L4 Transporter

Hi,

change NFS from UDP to TCP.

Did you have this issue and flipping NFS over from UDP to TCP solved it?

With NFS via UDP we had poor performance (high %wa in "show system resources"). With NFS via TCP this is gone and NFS storage performance is better.

L4 Transporter

I am already using TCP but thanks for the suggestion.

  • 3300 Views
  • 8 replies
  • 0 Likes
Like what you see?

Show your appreciation!

Click Like if a post is helpful to you or if you just want to show your support.

Click Accept as Solution to acknowledge that the answer to your question has been provided.

The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!

These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!

The LIVEcommunity thanks you for your participation!