[Dovecot] imap-login process_limit reached

[Don Buchholz]

Don Buchholz wrote:
> Michael Orlitzky wrote:
>> First of all, feature request:
>>
>>   doveconf -d
>>     show the default value of all settings
>>
>>
>> On 01/16/12 17:41, Don Buchholz wrote:
>>  
>>> The 'doveconf -n' output is attached.  I have not set any
>>> "process_limit" values, and I don't think I'm getting anywhere close to
>>> the 1024 default, so I'm pretty confused as to what might be wrong.
>>>
>>> Any suggestions on what to do next are appreciated.
>>>     
>>
>>
>> What makes you think 1024 is the default? We had to increase it. It
>> shows up in doveconf -n output, so I don't think that's the default.
>>
>> # doveconf -n | grep limit
>> default_process_limit = 1024
>>   
> What makes me think 1024 is the default?
> The documentation:
> --> 
> http://wiki2.dovecot.org/Services?highlight=%28process_limit%29#imap.2C_pop3.2C_managesieve 
>
>
But, Michael's right, documentation can be wrong.  So, I dumped the
entire configuration.  Here are the values found on the running system.
Both imap and pop3 services have "process_limit = 1024".


    | [root at postal ~]# doveconf -a
    | # 2.0.8: /etc/dovecot/dovecot.conf
    | # OS: Linux 2.6.9-67.0.1.ELsmp i686 Red Hat Enterprise Linux WS 
release 4 (Nahant Update 6) ext3
    |  ...
    | default_process_limit = 100
    |  ...
    | service anvil {
    |    ...
    |   process_limit = 1
    |    ...
    | }
    | service auth-worker {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service auth {
    |    ...
    |   process_limit = 1
    |    ...
    | }
    | service config {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service dict {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service director {
    |    ...
    |   process_limit = 1
    |    ...
    | }
    | service dns_client {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service doveadm {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service imap-login {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service imap {
    |    ...
    |   process_limit = 1024
    |    ...
    | }
    | service lmtp {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service log {
    |    ...
    |   process_limit = 1
    |    ...
    | }
    | service pop3-login {
    |    ...
    |   process_limit = 0
    |    ...
    | }
    | service pop3 {
    |    ...
    |   process_limit = 1024
    |    ...
    | }
    | service ssl-params {
    |    ...
    |   process_limit = 0
    |    ...
    | }