Re: concerning dovecot settings for high volume server

2015-09-17 Thread Alessio Cecchi
Hi Urban, I'm interesting in your hardware configuration, in percent how much is the I/O on indexes volume and how in maildata volume? Without index on SSD you will be able to run 28k users on RAID10 (SATA/SAS) only? I'm evaluating if store indexes, on my configuration, on SSD for improvin

Re: concerning dovecot settings for high volume server

2015-09-14 Thread Urban Loesch
om: Urban Loesch [mailto:b...@enas.net] > To: dovecot@dovecot.org > Sent: Sun, 13 Sep 2015 09:33:14 +0200 > Subject: Re: concerning dovecot settings for high volume server > > Hi, > > I have running dovecot with about 28k users. > Here comes my relevant config for pop3 and

Re: concerning dovecot settings for high volume server

2015-09-13 Thread Rajesh M
Subject: Re: concerning dovecot settings for high volume server Hi, I have running dovecot with about 28k users. Here comes my relevant config for pop3 and imap from "doveconf -n". No problems so far. -- snip -- default_client_limit = 2000 ... service imap-login { inet_lis

Re: concerning dovecot settings for high volume server

2015-09-13 Thread Urban Loesch
Hi, I have running dovecot with about 28k users. Here comes my relevant config for pop3 and imap from "doveconf -n". No problems so far. -- snip -- default_client_limit = 2000 ... service imap-login { inet_listener imap { port = 143 } process_limit = 256 process_min_avail = 50 ser

Re: concerning dovecot settings for high volume server

2015-09-12 Thread Axel Luttgens
> Le 12 sept. 2015 à 20:53, Rajesh M a écrit : > > hi > > […] > > i wish to allow 1500 pop3 and 1500 imap connections simultaneously. > > need help regarding the settings to handle the above > > imap-login, pop3-login > imap pop3 service settings > > i recently i got an error > imap-login: E

Re: concerning dovecot settings for high volume server

2015-09-12 Thread Robert Schetterer
Am 12.09.2015 um 20:53 schrieb Rajesh M: > hi > > centos 6 64 bit > > hex core processor with hyperthreading ie display shows 12 cores > 16 gb ram > 600 gb 15000 rpm drive > > we are having around 4000 users on a server > > > i wish to allow 1500 pop3 and 1500 imap connections simultaneously.

Re: concerning dovecot settings for high volume server

2015-09-12 Thread Tony Morehen
On 9/12/2015 10:51 PM, Rajesh M wrote: - Original Message - From: Tony Morehen [mailto:tmore...@ajmconsulting.ca] To: dovecot@dovecot.org Sent: Sat, 12 Sep 2015 17:57:27 -0400 Subject: Re: concerning dovecot settings for high volume server You may be running up against Linux system

Re: concerning dovecot settings for high volume server

2015-09-12 Thread Rajesh M
- Original Message - From: Tony Morehen [mailto:tmore...@ajmconsulting.ca] To: dovecot@dovecot.org Sent: Sat, 12 Sep 2015 17:57:27 -0400 Subject: Re: concerning dovecot settings for high volume server You may be running up against Linux system/user limits. Run $ cat /proc/sys/kernel

Re: concerning dovecot settings for high volume server

2015-09-12 Thread Tony Morehen
You may be running up against Linux system/user limits. Run $ cat /proc/sys/kernel/pid_max and $ ulimit -a That should give some insight into your problem. On 12/09/2015 2:53 PM, Rajesh M wrote: hi centos 6 64 bit hex core processor with hyperthreading ie display shows 12 cores 16 gb ram 600

concerning dovecot settings for high volume server

2015-09-12 Thread Rajesh M
hi centos 6 64 bit hex core processor with hyperthreading ie display shows 12 cores 16 gb ram 600 gb 15000 rpm drive we are having around 4000 users on a server i wish to allow 1500 pop3 and 1500 imap connections simultaneously. need help regarding the settings to handle the above imap-login