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When master receives a connection, it spawns a child process to manage
that connection. That would essentially make it multi-threaded making
use of the multiple CPUs when needed, I would think. Is that not the
case? You can launch multiple master processes, but that wouldn't have
any better guarantee to use multiple CPUs, either.<br>
<br>
<br>
Atif Ghaffar wrote:
<blockquote
cite="midf240b640902251447u2a23a50egb506df74eba922a6@mail.gmail.com"
type="cite">Hello,<br>
<br>
I am a long time cyrus user but have not been hands on for a while.<br>
At my current job we are running cyrus to manage all mailstore for our
ISP.<br>
<br>
Recently I have migrate a couple of boxes to newer ones with more cores
per cpu.<br>
<br>
when running htop -u cyrus, i see that only one core is being used for
most of the work and that seems to be a waste of the rest of the cpus.<br>
<br>
We are using the following services (imap, pop3, lmtp, sieve)<br>
<br>
One thought that comes to mind is to run different master processes
which do one service at a time.<br>
<br>
I am thinking on consolidating into<br>
<br>
1. cyrus-master-main (running imap/sieve)<br>
2. cyrus-master-pop3 (running pop3)<br>
3. cyrus-master-lmtp (running lmtp)<br>
<br>
Does this makes any sense?<br>
Would this balance the usage of the CPUs.<br>
<br>
If yes, I will post the config files for inspection.<br>
<br>
<br>
best regards<br>
Atif <br>
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