[Bug 196949] New: Ordering by thread is really slow (regression)

[Iñaki Baz Castillo]

https://bugs.kde.org/show_bug.cgi?id=196949

           Summary: Ordering by thread is really slow (regression)
           Product: kmail
           Version: 1.11.90
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: message list
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: ibc at aliax.net


Version:           1.11.90 (using 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2)), Kubuntu
packages)
Compiler:          cc
OS:                Linux (x86_64) release 2.6.28-11-generic

Kmail has a new feature to order mails by groups. This is very slow but it's
supposed to be improved soon.

But ordering by threads and having all the threads always open has been always
present and it worked really well in KDE 3.X and KDE 4 (before the feature
"groups" was introduced). I wonder why of this regression.

My inbox has 12000 messages. Before the new "groups" feature it was quicky
displayed (ordered by threads and displaying opened all the threads). But now,
when I click the inbox folder it takes 15 seconds to order the mails by
threads. It seems that now there is no a cache system or whatever before did
exist. And the worst, it occurs every time I press in a folder, even if I've
pressed it 30 seconds ago.

I hope this issue to be fixed since it makes Kmail unusable for people with
lots of mails wishing to have the threads always opened.

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