FreeLists / dokuwiki / [dokuwiki] Re: Slow save but fast preview

[Bob McConnell <rmcconne@xxxxxxxxxxxxx>]

Matthias Grimm wrote:
> On Tue, 02 Oct 2007 17:04:51 +0200
> Robert Rackl <mail@xxxxxxxxx> wrote:
>
> Hi Robert,
>
> > I have the problem, that my dokuwiki installation is very slow when I  
> > save an edited page (>10 sec). But previewing a page is very fast (<1  
> > sec!)
> [...]
> > I send a mail after each edit. But I do not thing that this is the  
> > bottleneck. Sending mail from my server normaly works fine.
> I had the same problem and finally tracked it down to the email feature.
>
> I sent email after each edit too and after disabling any email feature,
> the save operation was as fast as before. 
>
> I don't know why dokowiki (or PHP) had such trouble to send the emails.
> As far as I could say yet: It is not a dokuwiki problem but might be a
> PHP problem, because:
> - Our DNS resolved any requested host from any used computer without delay.
> - As you said sending mails from the servers console caused no delays
>  (delivery took 1.5h but that is another story :-()
>
> Maybe PHPs sendmail interface has some trouble. We still use PHP4. I don't
> know the sendmail version. If you get any news what delays mails, I would
> appreciate any hint.
>
>  Best regards
>    Matthias
What email server is it talking to? We have found that some servers are 
better than others when accepting email from foreign systems. In 
particular, Exchange is very reluctant to accept messages from anything 
other than Lookout clients. We solved that by setting up a Unix based 
server for Dokuwiki to talk with. It has fewer problems talking to 
Exchange as a peer.
Bob McConnell
N2SPP
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