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 <a...@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
