[kdepim-users] kontact 4.1svn unbearable slow

mikolaj mikmach at wp.pl
Thu Jul 17 18:00:20 BST 2008

On Thursday 17 July 2008 09:48:28 Kishore wrote:
> On Thursday 17 Jul 2008 12:34:49 pm mikolaj wrote:
> > KMail in kontact for KDE 4.1svn is terribly slow - practically unusable.
> >
> > Displaying of mails takes several seconds and whole interface feels
> > sluggish. Other parts of Kontact are better.
> This is coming to you from kontact/kmail built from SVN and it works 
> here. However, kmail blocks when retrieving signatures for several 
> and yes, that is painful. Of course, this only happens when the 
message is
> signed and only once for a new signature.

I found where problem is: big folders. Relatively speaking. In small 
folders, up to 2000-3000 thousands of messages it is fast. Well, not 
really. Fast is in folders < 1000 messages. Up to 3000 it takes ca 2 
seconds. In kdepim-users with 8700 messages it begins to slow down. 
Displaying of your message took 3 secs. Much bigger pain is with even 
bigger folders. digikam-devel has 22000 and displaying of message 
lasts there up to 9 seconds. Similar to vim-devel with 20000. Real 
disaster is with vim-list (60000 messages) stopped waiting after 2 

And all those times are after recreation of indexes for KDE-PIM 4. With 
old indexes times were 2 times longer.
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