Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-30 Thread Root Kev
Thierry, Had a chance to test this change this morning, and in my test environment, this does drastically improve the ability to ssh and su during heavy pop3 load (in test environment, change of 10-15sec to 1-2sec login). While this is better, the popping is still slowing down authentication on

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-30 Thread Timo Sirainen
On 30.5.2012, at 20.25, Root Kev wrote: mail_location = mbox:/var/empty:INBOX=/var/mail/%u Note that it's not a good idea for different users to share a single directory for indexes, which is what this does. Preferably /var/empty wouldn't be even writable to the users so this wouldn't happen

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-25 Thread Charles Marcus
On 2012-05-24 10:54 AM, Root Kev root@gmail.com wrote: Below is the majority of our configs, it is mostly basic: protocols = pop3 Pleease don't post copy/pastes from your config files... Always provide output of doveconf -n This has multiple benefits - doveconf -n output is easier to

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-25 Thread Thierry de Montaudry
On 25 May 2012, at 20:00, Root Kev root@gmail.com wrote: So the best way to would be to remove it that part completely, or should it be stored somewhere on disk? Thanks again, Kevin yes, best is to remove :INDEX=MEMORY part, and it will store indexes in your INBOX path, which is

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-24 Thread Root Kev
Currently cannot use IMAP as our application to access the mailbox currently is only setup to access pop3 mailboxes. We are currently using Dovecot 2.1.4. Below is the majority of our configs, it is mostly basic: protocols = pop3 listen = ***Address here*** base_dir = /var/run/dovecot1/

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-24 Thread Thierry de Montaudry
On 24 May 2012, at 16:54, Root Kev root@gmail.com wrote: Currently cannot use IMAP as our application to access the mailbox currently is only setup to access pop3 mailboxes. We are currently using Dovecot 2.1.4. Below is the majority of our configs, it is mostly basic: protocols =

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-23 Thread Root Kev
Missed CCing on last reply. See below.. Also, would having Nagios checking the number of messages in a mailbox cause issues with the popping of messages? And/Or would having a user accessing the mailbox from two different applications cause issues? Ie. from Outlook and mobile device? I am

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-23 Thread Robert Schetterer
Am 23.05.2012 16:01, schrieb Root Kev: Missed CCing on last reply. See below.. Also, would having Nagios checking the number of messages in a mailbox cause issues with the popping of messages? And/Or would having a user accessing the mailbox from two different applications cause issues?

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-19 Thread Timo Sirainen
On Fri, 2012-05-18 at 09:21 -0400, Root Kev wrote: During the last time that the load went up, it became unable to login / su to root for the entire period that dovecot was running, we had to kill dovecot and go back to Popa3d until the mailq was cleared up. We are running CentOS 5.6 server.

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-18 Thread Root Kev
During the last time that the load went up, it became unable to login / su to root for the entire period that dovecot was running, we had to kill dovecot and go back to Popa3d until the mailq was cleared up. We are running CentOS 5.6 server. Based on TOP running at the time the CPU usage was

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-18 Thread Kelsey Cummings
On 5/18/2012 6:21 AM, Root Kev wrote: During the last time that the load went up, it became unable to login / su to root for the entire period that dovecot was running, we had to kill This sounds more like you are getting I/O bound or swapping heavily. What does iostat -x, etc, show when this

[Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-17 Thread Root Kev
Hello all, We have put Dovecot 2.1.4 on several of our production servers (CentOS, on Dell R710, with 20GB memory, dual CPU Quad-core). We have a single instance of Dovecot running and currently have several instances of Popa3d. When there are significant amount of popping from 2 mailboxes that

Re: [Dovecot] High level of pop3 popping causing server to become unresponsive

2012-05-17 Thread Timo Sirainen
On 17.5.2012, at 18.22, Root Kev wrote: We have put Dovecot 2.1.4 on several of our production servers (CentOS, on Dell R710, with 20GB memory, dual CPU Quad-core). We have a single instance of Dovecot running and currently have several instances of Popa3d. When there are significant amount