[dokuwiki] Re: Performance in Browser in relation with size of data folder
- From: Christopher Smith <chris@xxxxxxxxxxxxx>
- To: dokuwiki@xxxxxxxxxxxxx
- Date: Thu, 6 Aug 2009 11:29:46 +0100
On 6 Aug 2009, at 10:23, Kay Roesler wrote:
Hi everybody,
I just updated our dokuwiki from the old 2007-06-26b version to the
2009-02-14b. Everything works fine, only the performance is bad now.
But
it wasn't that fast before either.
Currently the data folder has 1.3G. Does anybody have experience with
performance issues in relation to many files? The server load itself
is
not very high, but as soon as I load a dokuwiki page the cpu runs up
to
100%. The reaction is below 3sec for the user in FF.
Any conclusions or experience on this?
Its difficult to know from the information you've given.
Updating does completely expire the cache, so the first view of every
page will result in it being rebuilt from scratch. The time that
takes is highly dependent on the page content and server
specification. In particular, pages with lots of links may require
rebuilding of metadata for all the pages they link to.
The workload on the server may also be effected by your template, e.g.
templates with sidebars containing indexes.
After the first page visit, do subsequent visits result in less strain
on the server?
I expect dokuwiki to supply a page from cache in 100ms or less
(obviously, this is dependent on your server hardware).
If subsequent visits do show reduced server impact, consider spidering
your wiki overnight or during some low use time.
Dokuwiki's cache logic is now quite robust, i.e. it is very good at
recognising when a page needs to be reconstructed. You may find you
can increase the cachetime config variable quite significantly. Iirc,
its set to the seconds for one day (86400). Try it at one month
(2592000). This will reduce the time the server spends rebuilding
infrequently viewed pages.
I'm always interested in profiling how dokuwiki performs in large real
life wikis. If your wiki isn't strictly confidential and you wouldn't
mind allowing it to be used, please get in touch directly with me.
- Chris
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