On Samstag, 7. Juli 2007, Daniel D Jones wrote:
> I've been using Kmail for some time but am running into a couple of issues.
> I'm not sure if they're actually Kmail issues and if they're actually
> outside the Kmail program.
>
> First, using spamassassin, Kmail freezes every time it checks my mail.  If
> I have only a few messages, it might freeze for a few seconds.  If I have a
> lot of messages, it might take 30 or 45 seconds before the program starts
> responding again.  If I'm in the middle of, say, typing an email, the key
> presses are stored and processed once the program starts responding again.
> If I turn off email processing through spamassassin, the issue either goes
> away or the freeze is so quick as to be unnoticeable.  I can understand it
> taking time to process incoming email but I don't understand why it can't
> be done in the background on a modern system.  Is this normal behavior or
> is there an issue with either Kmail or spamassassin?

it is an issue with spamassasin. Try bogofilter, maybe it will be faster. It 
is very fast for me.

>
> Second, Kmail doesn't seem very adept at handling folders with lots of
> messages. 

yes it does.

> I have one folder which has about 40k messages in it.  It's the 
> archives of a mailing list I run and I expect it to grow much larger
> relatively quickly.  It's in maildir format on a reiserfs volume.

that is your problem.

> Just 
> clicking on the folder makes  Kmail freeze for about four of five seconds
> before it displays a list of messages in the window and becomes responsive
> to key presses and mouse clicks again.  If I try to search for messages in
> the folder, the search will run for a minute or two and Kmail will crash. 
> Every time.  This rather defeats the purpose of having an archive folder. 
> Is anyone else using Kmail with folders holding thousands of email
> messages? Have you seen these issues?  If Kmail is working well in those
> circumstances for you, are you using maildir or mbox?  What file system?

I have a 70000 messages folder - and several in the 30000 messages realm.

If they become slow, it is time to defrag.

Really, this is a fs problem. I like reiserfs, and it is very good with small 
files - but fragmentation is a real problem and slows down everything 
horrendously.

Back up everything and run a mkfs.reiserfs. Restore, and kmail will be fast 
again.

>
> I'd also be interested in reports of anyone using Evolution with large
> folders, or recommendations  for other email clients.  I'd be particularly
> interested in one which precreates indexes to speed up searches.
>

evolution? that bugged to death thingy?
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