System Usage - What does it mean?

[Chris]

Thought I'd post this so others can benefit.

When I go into Virtuozzo and click on resources it shows me System Usage at about 43%. It typically stays there all the time. When I go into the extended version, it appears that most of that is in the kmemsize parameter.

What is good? Is that OK, too high? Do I need to notch it up a plan for more memory?

Please share your thoughts.

Thanks

[charles]

If you are not hitting a limit, don't worry about it. If you are, you should first see if there is an abnormal reason for it being high (like perhaps a runaway process). But if not, we can raise this limit by 10-20% for you.

As long as you are not running out of privvmpages. If you are hitting that too, you are exceeding your total memory allocation, and agin you will need to try identify what using it, or upgrade plans in this case.

hth
charles

[tamws]

Hi Charles,

I'm not quite understand here. How can I know I'm running out of privvmpages?
Like now the values are:
Current: 31,692
Soft Limit: 263,621
Hard Limit: 292,912

Do you mean just if the Current value is near 263,621 then it is "running out of privvmpages"? Search from the web, I found that seems the privvmpages has some relationship to the vmguarpages Soft Limit? (But I still cannot get what is their relationship)

Ah yes, is there any ways to check these values inside the VPS? (somewhere at /proc/ ?)

Thanks so much!

[charles]

Hi Vincent

privvmpages is roughly the RAM available in 4K blocks (its more complicated than that, but thats a decent analogy). If you get close to the soft limit, the power panel will make it yellow or orange to show you. When you exceed that it will go red, and then black if you hit the hard limit.

No failures occur until you hit the hard limit.

You can see these on the commandline with

cat /proc/user_beancounters

it shows if you have hit a limit and how man y times, but not when it happened like the power panel shows you.

hth
charles