Author Topic: Dovecot running slow  (Read 18022 times)

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Dovecot running slow
« on: October 29, 2015, 04:34:54 AM »
Dovecot is running slow when sending email's through imap,
Dovecot warings:

Code: [Select]
Oct 29 00:06:50 imap: Warning: Time jumped forwards 334 seconds
Oct 29 00:06:50 imap: Warning: Time jumped forwards 334 seconds
Oct 29 00:06:50 imap: Warning: Time jumped forwards 333 seconds
Oct 29 00:06:50 imap: Warning: Time jumped forwards 333 seconds
Oct 29 00:06:50 imap: Warning: Time jumped forwards 333 seconds

Code: [Select]
Oct 28 11:13:54 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 11:17:56 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 11:19:08 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 11:21:18 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 11:22:43 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 11:23:46 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 12:17:37 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 12:18:42 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 12:19:47 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 13:11:37 master: Warning: service(imap-login): process_limit reached, client connections are being dropped
Oct 28 13:13:17 master: Warning: service(imap-login): process_limit reached, client connections are being dropped

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Re: Dovecot running slow
« Reply #1 on: October 29, 2015, 12:05:35 PM »
Hi.

You can try increase process_limit or switch login to performance mode:

Code: [Select]
service imap-login {
  inet_listener imap {
    port        = 143
  }
  service_count = 0 # performance mode. set to 1 for secure mode
  process_min_avail = 1
}

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Re: Dovecot running slow
« Reply #2 on: October 30, 2015, 05:12:36 AM »
thanks, that should solve one problem, but what about the time?

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Re: Dovecot running slow
« Reply #3 on: November 01, 2015, 07:33:16 AM »
thanks, that should solve one problem, but what about the time?

Nobody knows your configs and server. Guessing only. Provide us more details.
You can ask me to solve any problem with your server for some money in pm  ;)
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Re: Dovecot running slow
« Reply #4 on: November 03, 2015, 07:54:12 AM »
CPU Model: Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz
CPU Details: 6 Core (1898 MHz)
Distro Name: CentOS release 6.6 (Final)
Kernel Version: 2.6.32-504.23.4.el6.x86_64
Platform: x86_64 [hyperv]

Standard Centos web panel settings, running postfix + dovecot +Kaspersky Security for Mail Server

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Re: Dovecot running slow
« Reply #5 on: November 03, 2015, 10:02:46 AM »
Hi.

I couldn't reproduce the issue, and it works great in the default version.
Try to check your "Kaspersky Security for Mail Server" becuse it is not CWP's service.
You can ask me to solve any problem with your server for some money in pm  ;)
Services Monitoring & RBL Monitoring
http://centos-webpanel.com/services-monitor
Join our Development Team and get paid !
http://centos-webpanel.com/develope-modules-for-cwp

Installation Instructions
http://centos-webpanel.com/installation-instructions
Get Fast Support Here
http://centos-webpanel.com/support-services