[Bug 170852] New: Severe speed-regression in maildir folders

[Allan Sandfeld]

http://bugs.kde.org/show_bug.cgi?id=170852

           Summary: Severe speed-regression in maildir folders
           Product: kmail
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: unspecified
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: kde at carewolf.com


Version:            (using KDE 4.1.1)
Installed from:    Compiled From Sources

After using KMail from KDE 4.1 branch for some time, I've noticed a rather
severe regression in ordinary maildir folders.

If the folder contains a lot of email such as 5000, it takes 3-4 seconds to go
to a new email. This makes browsing kde-commits folder very painfull.

It seems likely to be some kind of linear scan algorithm, since a folder I have
with 17000 email takes a little over 10 seconds to go from email to email.


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