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2014-02-03 19:10 GMT+01:00 Cor Bosman <[email protected]>: > > On 03 Feb 2014, at 14:58, List <[email protected]> wrote: > > > On 1/27/14, 5:01 PM, Stan Hoeppner wrote: > >> On 1/27/2014 1:06 PM, List wrote: > >>> We are hosting a webmail service using roundcube 0.8.1 and a number of > >>> our users with inboxes in excess of 8000-10000 messages are > experiencing > >> "Inbox" folder has 8-10K, or the entire mailbox including subfolders has > >> 8-10K messages? > >> > >>> extremely slow response times (We also downloaded a recent copy and > it's > >>> just as slow). We are using Dovecot 2.1 as the IMAP server and have > not > >>> had any issues with clients like outlook or Thunderbird, but as far as > >>> we understand it those clients keep a local copy of the messages for > >>> quick retrieval while Roundcube is doing everything over IMAP. Is > there > >>> any thing we can do or should look at to improve the response times for > >>> loading an inbox with many thousands of messages? > >> What do you mean "loading" an inbox? Are you referring to > >> initialization just after logon, where new message notifications get > >> displayed on the folder tree? Or do you mean simply clicking on the > >> "Inbox" folder? > > > > The slowness appears when users click on their inbox. It does not > matter if they are logging in or have had their email open for a period of > time already, every time they click the inbox it throws an error that the > server could not be reached, and eventually the messages appear. > > > >> How many rows per page are these users displaying? This is user > >> configurable. If the value is high things will be slower. > >> > > > > Our default is 50 messages. > > Like I said before, check what sort method these users have, and what your > imap server does on that sort method. For instance, sorting on arrival date > is usually very fast because the server doesnt have to do any sorting, but > sorting on sent date can be very slow if your imap server doesnt keep an > index of headers. If your server needs to sort all 8000+ messages on every > click, you're going to have performance issues. > > Cor > > _______________________________________________ > Roundcube Users mailing list > [email protected] > http://lists.roundcube.net/mailman/listinfo/users > -- *Cordialement* -- *Missaoui Noureddine Ingénieur Informatique ( **École Nationale des sciences de l'Informatique )* *Phone: +216 50 032 142 Adresse: La Marsa - Tunisie*
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