----- On Sep 3, 2021, at 10:06 AM, Aki Tuomi aki.tu...@open-xchange.com wrote:
>> On 03/09/2021 10:25 Tobias Oetiker <t...@oetiker.ch> wrote: >> >> >> ----- On Sep 3, 2021, at 9:01 AM, Aki Tuomi aki.tu...@open-xchange.com wrote: >> >> >> On 03/09/2021 09:35 Tobias Oetiker <t...@oetiker.ch> wrote: >> >> >> >> >> >> Hi All, >> >> >> >> I spent some quality time yesterday, tuning dovecot on a server which >> >> serves as >> >> an imap-proxy in front of a zimbra setup >> >> the imap proxy does ldap client-cert authentication and works well. >> >> >> >> BUT >> >> >> >> I found that the imap-login processes seem to gain 100 MB per connection >> >> they >> >> are accepting ... this seems pretty hefty. >> [...] >> > >> > I would strongly recommend using "high performance" configuration on your >> > proxy. >> > >> > See >> > https://doc.dovecot.org/admin_manual/login_processes/#high-performance-mode >> >> yes that is what we have: >> >> service imap-login { >> service_count = 0 >> client_limit = 380 >> process_limit = 10 >> vsz_limit = 39G >> } >> >> the machine has 180 GB ram >> > > Which version of dovecot are you running? > 2.3.9 I am planning to do a testsetup and maybe add mtrace to the code to see who is using this memory ... :) cheers tobi -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland www.oetiker.ch t...@oetiker.ch +41 62 775 9902
