Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread Stan Hoeppner
David Touzeau put forth on 12/23/2010 5:40 PM: > Many thanks Stan You're welcome. Please note [1] at bottom. > But to be honest, you document is very hard to understand... for my > skills > cpusets are set to create cpu tasks environnements > my problem is to ensure that all postfix tasks will g

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread Victor Duchovni
On Fri, Dec 24, 2010 at 12:40:02AM +0100, David Touzeau wrote: > Many thanks Stan > > But to be honest, you document is very hard to understand... for my > skills > cpusets are set to create cpu tasks environnements > my problem is to ensure that all postfix tasks will go into the defined > cpuse

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread David Touzeau
Many thanks Stan But to be honest, you document is very hard to understand... for my skills cpusets are set to create cpu tasks environnements my problem is to ensure that all postfix tasks will go into the defined cpuset filesystem because if i set the first process "/usr/sbin/postfix start" to

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread Stan Hoeppner
David Touzeau put forth on 12/23/2010 3:43 PM: > Dear bests > > I would like to know if you think this tool can help me about my > needs : > > http://linux.die.net/man/1/taskset Ahh, Linux, and Debian no less. My favorite as well. :) I strongly suggest you read the following document (which

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread David Touzeau
Dear bests I would like to know if you think that taskset tool can help me about my needs : http://linux.die.net/man/1/taskset Do you think that doing taskset -c 1 postmulti -i postfix-[instance] -p start will do the trick I'm afraid that only postmulti will set to processor 1 but will not

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread David Touzeau
Dear bests I would like to know if you think this tool can help me about my needs : http://linux.die.net/man/1/taskset bets regards Le jeudi 23 décembre 2010 à 15:17 -0500, Victor Duchovni a écrit : > On Thu, Dec 23, 2010 at 08:58:31PM +0100, David Touzeau wrote: > > > I have a server with 8

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread David Touzeau
With multiple postfix instance, you can easily separate set of configurations but keep some processes eg filters commonly. This Postfix technology is very helpful for ISP/ASP mode. So if you define that each instance using different domains and different behaviors (eg mass mailing for one outgoing

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread Stan Hoeppner
David Touzeau put forth on 12/23/2010 1:58 PM: > Dear > > I have a server with 8 processors. > I would like to create 8 postfix instances and each instance use a > dedicated processor. > > Is it possible to do that ? If binding a Postfix instance to a physical CPU is really what you want/need,

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread Wietse Venema
David Touzeau: > Dear > > I have a server with 8 processors. > I would like to create 8 postfix instances and each instance use a > dedicated processor. > > Is it possible to do that ? Depends on the operating system. There is no standard API for doing this. I suggest that you consult the docu

Re: Multiple instances mode: Each instance per processor

2010-12-23 Thread Victor Duchovni
On Thu, Dec 23, 2010 at 08:58:31PM +0100, David Touzeau wrote: > I have a server with 8 processors. > I would like to create 8 postfix instances and each instance use a > dedicated processor. > > Is it possible to do that ? Let your O/S do the scheduling. Locking down each instance of Postfix to

Multiple instances mode: Each instance per processor

2010-12-23 Thread David Touzeau
Dear I have a server with 8 processors. I would like to create 8 postfix instances and each instance use a dedicated processor. Is it possible to do that ? Best regards