Re: Postfix and multi-core platforms

2011-01-19 Thread Jaques Cochet
Thanks Stan On Mon, Jan 17, 2011 at 11:20 PM, Stan Hoeppner wrote: > Jaques Cochet put forth on 1/17/2011 12:18 AM: >> If postfix alone is running on the server, let's say as a mail router >> or backend delivey system, would postfix processes make use of all >> cores? would I be left with cores d

Re: Postfix and multi-core platforms

2011-01-17 Thread Stan Hoeppner
Jaques Cochet put forth on 1/17/2011 12:18 AM: > If postfix alone is running on the server, let's say as a mail router > or backend delivey system, would postfix processes make use of all > cores? would I be left with cores doing nothing even If I have an > important number of emails to process? I

Re: Postfix and multi-core platforms

2011-01-17 Thread Jeroen Geilman
On 1/17/11 7:18 AM, Jaques Cochet wrote: If postfix alone is running on the server, let's say as a mail router or backend delivey system, would postfix processes make use of all cores? That's a loaded question, since "postfix" is not a process that consumes CPU. In one (1) postfix instance,

Re: Postfix and multi-core platforms

2011-01-16 Thread Victor Duchovni
On Mon, Jan 17, 2011 at 08:18:57AM +0200, Jaques Cochet wrote: > If postfix alone is running on the server, let's say as a mail router > or backend delivey system, would postfix processes make use of all > cores? would I be left with cores doing nothing even If I have an > important number of emai

Re: Postfix and multi-core platforms

2011-01-16 Thread Jaques Cochet
If postfix alone is running on the server, let's say as a mail router or backend delivey system, would postfix processes make use of all cores? would I be left with cores doing nothing even If I have an important number of emails to process? On Mon, Jan 17, 2011 at 7:02 AM, Victor Duchovni wrote:

Re: Postfix and multi-core platforms

2011-01-16 Thread Victor Duchovni
On Mon, Jan 17, 2011 at 06:55:39AM +0200, Jaques Cochet wrote: > Does increasing the number of cores on the same hardware platform add > performance to a Postfix system or it is better to run several Postfix > systems on different machines? Yes, but only if the CPU is the bottleneck. Typically th