[Dovecot] Can`t get over 1024 processes

[Timo Sirainen]

It doesn't work like that with Dovecot. ulimit -u 8192 must be run just before dovecot binary is started. ulimits elsewhere are irrelevant.

On 17.9.2012, at 18.24, Tomáš Randa wrote:

> On FreeBSD in standard behavior is basic user limit set by sysctl kern.maxprocperuid, which is standard to 5547 and I increased it to 8192. When I run under UID 89 limit command or ulimit -u I get answer:
> 
> cputime      unlimited
> filesize     unlimited
> datasize     33554432 kbytes
> stacksize    524288 kbytes
> coredumpsize unlimited
> memoryuse    unlimited
> vmemoryuse   unlimited
> descriptors  36864
> memorylocked unlimited
> maxproc      8192
> sbsize       unlimited
> swapsize     unlimited
> 
> 
> Could It be some dovecot vs. freebsd related error? Or I "dont see" anything? :)
> 
> 
> Thanks for your time
> 
> Tomas R.
> 
> 
> Dne 17.09.12 17:16, Timo Sirainen napsal(a):
>> Where did you set the ulimit -u? It doesn't seem to be used by Dovecot processes. In any case there's nothing in dovecot.conf that can help you.
>> 
>> On 17.9.2012, at 18.10, Tomáš Randa wrote:
>> 
>>> Hello,
>>> 
>>> thanks for answer! I know that message come from kernel. But I have set ulimit -u to 8192 for uid 89, so I think I forgot to increase some value in dovecot.conf..
>>> 
>>> 
>>> Tomas R.
>>> 
>>> 
>>> Dne 17.09.12 16:46, Timo Sirainen napsal(a):
>>>> On 17.9.2012, at 17.40, Tomáš Randa wrote:
>>>> 
>>>>> Hello,
>>>>> 
>>>>> I have configuration question. Running FreeBSD 9.0 / AMD64 / Dovecot 2.1.8 version and cannot get over 1024 processes. I`ve increased process_limit in imap and pop3 and still have messages in syslog like: maxproc limit exceeded by uid 89, please see tuning(7) and login.conf(5).
>>>>> Did I forget to increase some other value? System values are higher - kern.maxprocperuid: 8192 and kern.maxproc: 12288
>>>> That message comes from the kernel. Dovecot doesn't use login.conf. You need to set ulimit -u manually (= in init.d script) before starting Dovecot.
>>>> 
>