[RCU] Slow displaying INBOX with thousands emails

A.L.E.C alec at alec.pl
Fri Oct 26 17:23:10 CEST 2018

On 10/25/18 11:50 AM, Alexey wrote:
> First level of slowness was `thread` mode. [UID THREAD REFS US-ASCII ALL] 1s
> Second level of little slowness was `sort by date`. [UID SORT (ARRIVAL) US-ASCII ALL] 0.7s
> Final query looks like this: [UID SEARCH ALL] 0.1s
> But how 1 + 0.7 became 3.5s of `waiting` request time? (I get it from profiler in browser)

Maybe it's parsing the THREAD response, but I don't know. It also is FETCHing messages for
a hundred threads, no?

> And is there in chance to increase performance without disabling threads?

Did you try setting sorting to None? You can consider enabling imap_cache.

Aleksander 'A.L.E.C' Machniak
Kolab Groupware Developer         [http://kolab.org]
Roundcube Webmail Developer   [http://roundcube.net]
PGP: 19359DC1 # Blog: https://kolabian.wordpress.com

More information about the users mailing list