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List:       kmail-devel
Subject:    Re: Patch: better performance for maildir
From:       Ingo =?iso-8859-1?q?Kl=F6cker?= <kloecker () kde ! org>
Date:       2003-12-01 21:00:46
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On Monday 01 December 2003 14:26, Stephan Kulow wrote:
> As SUSE moves offices, it was decided that moving the NFS
> server first was a good idea - so now I have to live with a NFS
> connection through the city for a week. Anyway, after watching
> kmail compacting folders for two hours, I decided to look at it ;)

And I thought our NFS connection was slow. ;-)

> The biggest problem is that it calls ::access on non-existant
> files for most of the time. So here is my proposed solution: get
> the dir listing once and then check string lists instead of asking
> the file system file per file. This speeds up exiting kmail on a
> (slow) NFS $HOME from hours to minutes.

The changes in compact() are good. But I don't understand the change in 
expungeContents(). The comment really doesn't help that much. Is using 
a filter that much slower than simply calling QFile::remove for 
everything in the directory?

Regards,
Ingo

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