[Dovecot] General performance of RC5

[Timo Sirainen]

On Jun 7, 2009, at 11:58 PM, Joan wrote:

> Switiching to RC5, there is a visible decrease in performance to  
> access via IMAP large accounts (>1G) with mutiple mailboxes per  
> accounts.
>
> In RC4, there was no delay visible by a human when accessing  
> locally. Now it takes up to 4 or 5 secs.

When is the delay? When logging in? When opening a mailbox? When  
opening a message? Running strace -tt -p <imap process pid> might be  
interesting and show what is taking the most time.

I don't think I really changed anything big between rc4/rc5.