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How to find performance issues
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og #1
Member since May 2006 · 282 posts · Location: 86899 Landsberg
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Subject: How to find performance issues
I'm facing performance issues in our local DokuWiki setup. Saving changes sometimes take over a minute. I can't reproduce it now. Most of the time everything is okay.
Is there a way to find out exactly where in dokuwiki the process stops and waits? It muss be some kind of delay somewhere. Some kind of profiling, like with websites?
Oli...
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FosseWay #2
Member since May 2016 · 46 posts · Location: Canada
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I've been wondering this too. Although my wiki isn't having trouble like you describe, I'd still like to make it faster.

I found this StackOverflow thread which seems to offer some good ideas on where to start. For me, that may mean using XDebug to profile the PHP performance of my wiki. I haven't tried yet, but as and when I do, I'll write up my experience here. It doesn't look like it's going to serve up ready answers, but it will offer a lot of performance metrics to sift through.
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og #3
Member since May 2006 · 282 posts · Location: 86899 Landsberg
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Looks nice, thanks for pointing me there. I'll try to go through it also. Maybe we end up with a tutorial or even better, a build-in switchable performance metering.
Oli...
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SFITCS #4
User title: Scott Ferguson
Member since Dec 2014 · 404 posts · Location: Canberra, Australia
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In reply to post #1
Make sure it is a server issue :)
I've been caught before with a similar complaint - until I discovered that problem was a brain dead realtime backup policy applied to the webserver (even caches were being backed up) resulting in atrocious drive io.  ps and lsof are helpful.
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