[Seaside] Re: [Seaside-dev] Optimization / performance tuning
pbpublist at gmail.com
Sun May 17 19:54:35 UTC 2015
On Sun, 2015-05-17 at 13:26 +0200, Johan Brichau wrote:
> I have never tried anything along those lines but you could decorate a component and keep the rendered html in that decoration. Something along:
> renderContentOn: html
> ^ html html: (generatedHtml ifNil:[ generatedHtml := WAHtmlCanvas builder render:[:html2 | self renderNextOn: html2 ] ])
That's an interesting idea... I'll give it a shot.
> Though I’m seriously doubting any advantage in performance here by caching. This will only provide an advantage if the rendering code inside that cached component is slow.
> If you need a page that is cached, try using a restful url in your app and turn on a front-end webserver page cache for that url.
If I were just looking at performance from the standpoint of a single
session, I'd agree that it probably wouldn't be worth the effort.
However, with multiple simultaneous sessions/users on a typical
cycle-starved VPS it is another story. A front-end cache wouldn't help
as only part of the page (i.e. the unchanging components) will be static
across multiple requests. (Note: the truly static content including css
> Disclaimer: I also don’t know if the above really works and what caveats might arise. Keep us posted if you give it a try.
> > On 17 May 2015, at 03:32, Phil (list) <pbpublist at gmail.com> wrote:
> > While the actual implementation would likely be application specific, I
> > was wondering if there are any facilities in Seaside to help optimize
> > Seaside application performance? For example, given an invariant
> > component branch, is there any way to render once at the instance or
> > session level and cache the resulting output rather than re-rendering
> > each time the page is loaded? Any pointers to tips and techniques along
> > these lines would be appreciated...
> > Thanks,
> > Phil
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