[pmwiki-users] Fwd: Pmwiki cpu/memory usage on server for a non zero visitor installation

The Editor editor at fast.st
Sun Dec 14 12:45:37 CST 2008

On Sat, Dec 13, 2008 at 1:40 PM, Frank Hagan <fshagan at roadrunner.com> wrote:
> You might have been hammered either by spammers -- look for .ru or .cn
> domains in your AWStats logs, if you still have them -- or by search
> engine spiders.  "Twicler" or "Twiceler" is one I've had problems with;
> a robots.txt exclusion can help in this regard. Twiceler hammered my
> sites with multiple page requests, without pausing between them.
> You will get suspended on shared servers when resources get too high;
> some of them have thousands of sites on them. But PmWiki, punbb, and the
> rest should be able to accommodate up to 50 users on line at a time
> without causing too much problem.

I recently had a similar problem on my server which is running
different wiki software. So I went to
http://www.pmwiki.org/wiki/Test/Test and got apparent page build times
of 3+ seconds. Seemed excessive. But I may be reading the times at the
bottom wrong. Anyway, I'm guessing Pm's server doesn't have CPU
limits, like a shared hoster.

The only way to test the software fairly, is to install a couple
systems (like drupal, moodle, etc) on the same machine, and get them
to do some kind of comparable task. But even that's not really fair as
wiki's do so much more processing, and something like PmWiki has so
many more capabilities. So I'm not sure what the best solution is.

But I would like a bit more discussion of the issue--to see if there
aren't ways to test for a problem, tweak performance, or perhaps a
recommendation of where to get good webhosting that won't cause this


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