No that will not help cause i do not want to create a VMWARE environment for about 4000 users per system also i think 4000 VPS are not possible per server...
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Limit disk I/O + CPU usage per user
Hello!
I would like to do limit some resources per user and was searching for a tool, kernel patch or whatever to do it but was not able to find something.
Perhaps somebody knows how to do. I would like to limit specific processes or a whole user to f.e. 25% CPU or 50% CPU or whatever. And also i would like to limit the disk i/o a user can do.
Stefan
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Answers
Eh no, 4000 VMware seem to be too much trouble, but maybe you can collect some of them into set of equivalent users into say 4-10 VMWARE systems each running a 1000-400 users per system?
Otherwise there are no tools to limit users AFAIK, you can only play with nice values to have users that have a big load renice to +20 and people that are easy on the system renice to say -5?
Take a look at '/etc/security/limits.conf
Reference:
http://www.cyberciti.biz/t
http://www.seifried.org/la
limits.conf would not help cause i do not want to limit the cputime instead i want to limit the users cpu usage which is different.
I'm searching for something like this:
http://www.mattheaton.com/
Most likely that solution you found is a custom designed module or kernel fix the developer has created for the CPanel application, especially since the article states "We are willing to license this solution to a minimal group". The requirements portion really gets into the mix of things.
Unless the developer comes releases this patch via GPL, I highly doubt you are going to find an answer here.
These are the people that implemented realtime scheduling parts. they might have a similar interest.
You could try (one of ) them as a starter, no more mail addresses in the sources I am afraid.
Steven Rostedt, Gregory Haskins, Thomas Gleixner, Mike Kravetz
designer of the schedular:
Ingo Molnar <mingo@redhat.com>
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by: nociPosted on 2009-09-23 at 07:02:35ID: 25403132
You might need to look into a product like VMWARE ESX/ESXi to guarantuee such conditions.
I am not aware of kernel/usermode patches that exist to accomplish this in a native system.
http://www.vmware.com/prod
Check the advanced resourcemanagement chapter.