[Bug 229524] New: First checkmail takes several minutes with huge disk activity since I activated akonadi

[subscryer at gmail.com]

https://bugs.kde.org/show_bug.cgi?id=229524

           Summary: First checkmail takes several minutes with huge disk
                    activity since I activated akonadi
           Product: kmail
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: subscryer at gmail.com


Version:            (using KDE 4.4.1)
Compiler:          gcc443 
OS:                Linux
Installed from:    Gentoo Packages

For the whole time kmail uses a substantial amount of cpu (up to 30% on a 
Pentium(R) Dual-Core CPU T4300 @ 2.10GHz).
I used iotop to determine which process is responsible for the huge amount of
disk i/o and it says that the kmail process is reading 10-30MB/s for the whole
~15 minutes it needs to complete the checkmail (3 dimap, 4 pop3).
The kmail interface is terribly sluggish for the whole time, the rest of the
system however behaves as usual as long as I don't need substantial access to
the disk.

The check used to take at most one minute but when kmail refused to start
without akonadi and I configured it properly, I found myself in this trouble.
All checks following the first one are flawless.

The size of my folders is ~15GB total.

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