Ok, I trace it with imap_debug option.
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)
And is there in chance to increase performance without disabling
threads?
On 2018-10-25 08:55, A.L.E.C wrote:
On 10/24/18 7:59 PM, Alexey wrote:
I have user with approximately 500000 emails in his INBOX folder and
this is not limit.
And there is some inconvenience in viewing this folder. It takes about
5-7 seconds to
display list of emails in folder.
Pagination is set to 100 emails per page. I checked that IMAP server
complete request
"FETCH 1:100 ENVELOPE" in 147ms, and "FETCH 1:* ENVELOPE" in 6 second.
This is why I begun
to think that RoundCube may request for all emails instead of 100.
Roundcube is configured
for default sort order: descending by receiving date.
Try with disabled or just different sorting (in messages list options
menu). Enable
imap_debug to see in the log what imap commands are used and with what
timing.
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