Slow IMAP SORT

[Aki Tuomi]

There is a old bug that we are aware. Maybe we look at it again.

Aki

> On 16/08/2022 16:21 EEST Aleksander Machniak <alec at alec.pl> wrote:
> 
>  
> On 15.08.2022 11:43, Ewald Dieterich wrote:
> > The following IMAP SORT with 2 sort criteria is very slow on an mdbox 
> > mailbox with lots of mails (more than 10,000) and an empty cache:
> > 
> > . SORT (ARRIVAL DATE) UTF-8 ALL
> > 
> > Each mail is opened when the SORT is executed, which is slow, given the 
> > number of mails in the mailbox.
> 
> There might be a bug, but "SORT (ARRIVAL DATE)" itself does not make 
> much sense. It means "sort by arrival timestamp and for all messages 
> with identical arrival timestamp use Date header instead".
> 
> -- 
> Aleksander Machniak
> Kolab Groupware Developer        [https://kolab.org]
> Roundcube Webmail Developer  [https://roundcube.net]
> ----------------------------------------------------
> PGP: 19359DC1 # Blog: https://kolabian.wordpress.com