Re: [Dovecot] service_count=0 for imap and pop3

2010-11-15 Thread Mark Moseley
>>> Timo, >>> Any hints on how many POP3 and IMAP connections I'd be able to get >>> away with in a single threads with the above setup, assuming they're >>> relative busy? > > The problem is that if there is any waiting for locks, all the other > connections hang there as well waiting for it. Sam

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-15 Thread Timo Sirainen
On 15.11.2010, at 22.58, Mark Moseley wrote: >> Timo, >> Any hints on how many POP3 and IMAP connections I'd be able to get >> away with in a single threads with the above setup, assuming they're >> relative busy? The problem is that if there is any waiting for locks, all the other connections h

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-15 Thread Mark Moseley
> Timo, > Any hints on how many POP3 and IMAP connections I'd be able to get > away with in a single threads with the above setup, assuming they're > relative busy? I.e. if my boxes typically have, say, 200 concurrent > POP3 connections and 600 IMAP connections, if I used > process_min_avail=50 for

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-12 Thread Mark Moseley
>> Only potential problem is memory leaks that keep increasing the memory >> usage. Of course there should be no memory leaks. :) You could anyway set >> something like service_count=1000 to get it to restart after handling 1000 >> connections. > > I'll keep that one in mind. Doesn't seem like i

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-09 Thread Mark Moseley
On Tue, Nov 9, 2010 at 3:55 PM, Timo Sirainen wrote: > On 9.11.2010, at 23.49, Mark Moseley wrote: > >> On Tue, Nov 9, 2010 at 3:05 PM, Timo Sirainen wrote: >>> On 9.11.2010, at 22.14, Mark Moseley wrote: >>> service imap { service_count = 0 } >> Would the risks involved be id

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-09 Thread Timo Sirainen
On 9.11.2010, at 23.49, Mark Moseley wrote: > On Tue, Nov 9, 2010 at 3:05 PM, Timo Sirainen wrote: >> On 9.11.2010, at 22.14, Mark Moseley wrote: >> >>> service imap { >>> service_count = 0 >>> } >>> > Would the risks involved be identical to your warnings about using > "service_count=0" with p

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-09 Thread Mark Moseley
On Tue, Nov 9, 2010 at 3:05 PM, Timo Sirainen wrote: > On 9.11.2010, at 22.14, Mark Moseley wrote: > >> service imap { >> service_count = 0 >> } >> >> Is that safe to do in imap and/or pop3? Or at least no more insecure >> than using service_count=0 for imap-login and pop3-login? > > Yep. > Would

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-09 Thread fakessh @
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Le 10.11.2010 00:05, Timo Sirainen a écrit : > On 9.11.2010, at 22.14, Mark Moseley wrote: > >> service imap { >> service_count = 0 >> } >> >> Is that safe to do in imap and/or pop3? Or at least no more insecure >> than using service_count=0 for imap-

Re: [Dovecot] service_count=0 for imap and pop3

2010-11-09 Thread Timo Sirainen
On 9.11.2010, at 22.14, Mark Moseley wrote: > service imap { > service_count = 0 > } > > Is that safe to do in imap and/or pop3? Or at least no more insecure > than using service_count=0 for imap-login and pop3-login? Yep.

[Dovecot] service_count=0 for imap and pop3

2010-11-09 Thread Mark Moseley
This is copy-pasted from Timo's comment in the "Todays Performance Data for 2.0.x" thread, but I didn't want to hijack that thread. In it, Timo says: service imap { service_count = 0 } (i.e. reuse imap processes) reduced the system CPU usage to almost nothing. But if you use different UIDs for