Re: [Dovecot] Dovecot extremely slow!

2013-09-26 Thread Steffen Kaiser
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Wed, 25 Sep 2013, Patricio Rojo wrote: I can click on an email and wait for a minute or more before receiving a connection dropped or no error at all. I use many clients (thunderbird, windows 8 mail, maildroid for android, squirrelmail) and

Re: [Dovecot] Dovecot extremely slow!

2013-09-26 Thread Stan Hoeppner
On 9/25/2013 5:05 PM, Patricio Rojo wrote: Please help, Dovecot is running extremely slow for the last couple of weeks and it seems to be getting worse (or my patience running short). Progressive degradation of mail server performance, whether an IMAP mailbox server, or an MTA, is almost

Re: [Dovecot] Dovecot extremely slow!

2013-09-26 Thread Patricio Rojo
Thanks all for the quick and knowledgeable replies! More details on my system: * Debian 7.1 server hosting many daemons which do not show any slow behavior at all (apache, postfix, nfs, autofs, ssh, ...), nor is it slow to run any application for test (no resource intensive application is run

Re: [Dovecot] Dovecot extremely slow!

2013-09-26 Thread Bob Miller
hi, Sep 26 11:03:23 wasabi dovecot: imap-login: Disconnected (no auth attempts in 1 secs): user=, rip=24.58.62.118, lip=146.83.9.56, TLS, \ session=uOJE1UnnxQAYOj52 Sep 26 11:03:26 wasabi dovecot: imap-login: Login: user=pato, method=PLAIN, rip=24.58.62.118, lip=146.83.9.56, mpid=3973,

Re: [Dovecot] Dovecot extremely slow!

2013-09-26 Thread Robin
On 9/26/2013 7:47 AM, Patricio Rojo wrote: * /home partition nfs mounted from a remote firewalled QNAP NAS server (TS-869U-RP), which also serves other machines (RAID-5 setup with currently no bad disks). I assume this NAS properly implements various locking services? Dovecot, like most mail

Re: [Dovecot] Dovecot extremely slow!

2013-09-26 Thread Stan Hoeppner
On 9/26/2013 9:47 AM, Patricio Rojo wrote: You failed to mention every client device you've tested is connecting to the server from over 5000 miles away, across continents and an ocean, with your packets traversing multiple national and political boundaries. rip=24.58.62.118,

[Dovecot] Dovecot extremely slow!

2013-09-25 Thread Patricio Rojo
Please help, Dovecot is running extremely slow for the last couple of weeks and it seems to be getting worse (or my patience running short). I attach the 10-master configuration and the log file after running strace according to: http://wiki.dovecot.org/Debugging/ProcessTracing I can click

Re: [Dovecot] Dovecot extremely slow!

2013-09-25 Thread LuKreme
On 25 Sep 2013, at 16:05 , Patricio Rojo p...@oan.cl wrote: I attach the 10-master configuration That’s not that useful. doveconf -n is useful

Re: [Dovecot] Dovecot extremely slow!

2013-09-25 Thread Bob Miller
-- Computerisms Bob Miller 867-334-7117 / 867-633-3760 http://computerisms.ca On Wed, 2013-09-25 at 16:15 -0600, LuKreme wrote: On 25 Sep 2013, at 16:05 , Patricio Rojo p...@oan.cl wrote: I attach the 10-master configuration That’s not that useful. doveconf -n is useful