[Dovecot] mail open slowly

Bernics Gábor | Penta Unió Zrt. bernics.gabor at penta.hu
Sat Oct 27 10:52:29 EEST 2012


 

Hello, 

I have a dovecot IMAP server (relative small hardware: HP
Microserver with 6 Gbyte RAM, linux soft RAID1 with 2x 7200 SATA disk)
with 100 Gbyte maildirs.

Server works fine but sometimes I can open
mails slowly (5-10 sec), typical with new mails.

It's intresting when I
open an another old mail (with 0 sec wait), after new mail open
quickly.

Is it dovecot mail indexes or I/O problem?

Load and CPU use
is small typical 0.10, 10%, I see small IO wait.

Debian 6.0, Dovecot
1.2.15, fsync and nmap is disable

Best Regards,

Gabor

 


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