On 15/05/2009 10:33 AM, Timo Sirainen wrote:
On May 14, 2009, at 8:19 PM, Phillip Macey wrote:

On 15/05/2009 9:49 AM, Timo Sirainen wrote:

Do you have POP3 users? What clients do your users typically use?

50% pop. 50% imap.. Roughly.

With POP3 users those kinds of I/O bursts can happen when a lot of messages don't have their virtual size known. See Maildir performance in http://wiki.dovecot.org/POP3Server
Ok. Thanks. I will have a read and keep that in mind ;-)

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