[Dovecot] mail open slowly

[Robert Schetterer]

Am 27.10.2012 09:52, schrieb Bernics Gábor | Penta Unió Zrt.:
>  
> 
> 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.

that seems ok

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

what mailbox type, how much mail in that mailbox
how many concurent cons, imap or pop3 ?
> 
> It's intresting when I
> open an another old mail (with 0 sec wait), after new mail open
> quickly.

may client cached

> 
> Is it dovecot mail indexes or I/O problem?

perhaps this , perhaps other

> 
> 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


show config and logs

> 
> Best Regards,
> 
> Gabor
> 
>  
> 



Best Regards
MfG Robert Schetterer

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