Limiting jail CPU memory resources

2013-03-01 Thread Fbsd8

Is there anything in 9.1 to Limit jail CPU  memory resources?
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Re: Limiting jail CPU memory resources

2013-03-01 Thread Mark Felder

On Fri, 01 Mar 2013 08:38:05 -0600, fb...@a1poweruser.com wrote:


Is there anything in 9.1 to Limit jail CPU  memory resources?


https://wiki.freebsd.org/Hierarchical_Resource_Limits
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Re: Limiting jail CPU memory resources

2013-03-01 Thread Fbsd8

Mark Felder wrote:

On Fri, 01 Mar 2013 08:38:05 -0600, fb...@a1poweruser.com wrote:


Is there anything in 9.1 to Limit jail CPU  memory resources?


https://wiki.freebsd.org/Hierarchical_Resource_Limits


Read that all ready and left me with more question than answers.
Its experimental and has to be compiled into the kernel.
Need solutions that are provided as part of the base system.
Such as a loadable kernel module.

Can not be risking the security of production jails on some
experimental software.

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Re: Limiting jail CPU memory resources

2013-03-01 Thread Mark Felder

On Fri, 01 Mar 2013 09:52:41 -0600, fb...@a1poweruser.com wrote:


Read that all ready and left me with more question than answers.
Its experimental and has to be compiled into the kernel.
Need solutions that are provided as part of the base system.
Such as a loadable kernel module.
 Can not be risking the security of production jails on some
experimental software.


Unfortunately there's nothing else available yet. You'd be better off  
using full-fledged hypervisors like Xen, KVM, or ESXi. I'm also anxiously  
awaiting some improvement in this area.

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Re: Limiting jail CPU memory resources

2013-03-01 Thread Fbsd8

Mark Felder wrote:

On Fri, 01 Mar 2013 09:52:41 -0600, fb...@a1poweruser.com wrote:


Read that all ready and left me with more question than answers.
Its experimental and has to be compiled into the kernel.
Need solutions that are provided as part of the base system.
Such as a loadable kernel module.
 Can not be risking the security of production jails on some
experimental software.


Unfortunately there's nothing else available yet. You'd be better off 
using full-fledged hypervisors like Xen, KVM, or ESXi. I'm also 
anxiously awaiting some improvement in this area.





What do you think about the new jail.conf parameter cpuset.id from jail(8)?

Seems to me it's a way to dedicate one or more CPUs to a single jail for 
increased jail performance. Really the opposite of limiting cpu 
resources to a jail.

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