[dokuwiki] Re: version 2005-09-22, loading page slow

  • From: Bin Zhang <yangtze31@xxxxxxxxx>
  • To: dokuwiki@xxxxxxxxxxxxx
  • Date: Thu, 6 Oct 2005 15:58:57 +0200

On 10/6/05, Harry Fuecks <hfuecks@xxxxxxxxx> wrote:
> OK - well 100% CPU usage on the server could be related although I
> assume people are experiencing a client-side problem here - the
> browser keeps saying "page loading" - so these are two seperate
> problems.
>
> Looking at the indexer it already has a mechanism make sure only one
> indexer runs at any given time, by using a "lock" directory.
>
> Attached is an updated version of indexer.php (./lib/exe/indexer.php)

OK. This new version fixes the problem for me.
Thanks.

Bin

> which flushes the image first along with headers that should get the
> browser to drop the connection as soon as it's received the whole
> image. Indexing (if needed) then happens after this.
>
> Haven't tested it extensively but it looks good so far (both Firefox
> and IE drop the connection immediately). Another possible optimization
> would be to check whether indexing the page is actually needed before
> require_once is called - should reduce the effort PHP has to make.
>
> It's possible that keeping the connection open was part of the problem
> causing high CPU usage but it's probably not worth guessing until so
> hard figures are available (e.g. profiling)
>
> Anyway - will drop a copy of this script to Andy via darcs.
>
>
> On 10/6/05, Christoph Schindler <hop@xxxxxxxxxxxx> wrote:
> > On Thu, Oct 06, 2005 at 10:48:05AM +0200, Harry Fuecks wrote:
> > > When people are saying "it's slow to load", do you mean the browser
> > > keeps say "page loading"?
> >
> > That and the cpu usage goes up to 100% for several seconds. If you load
> > another page during the time, it takes even longer, and so on.. until
> > you have a couple dozen apache-threads that each uses a view % of the
> > cpu.
> >
> > Later today I'll finally have the time to look into it.
> >
> > hop
> >
> > --
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>
>
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