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Version 4.x > Installation and deployment > Performance issues

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oggie - 11/13/2011 2:15:18 PM

Performance issues

Hello,

We are experiencing very poor performance with the initial page load of our Kentico website (V4.1). This can often take up to 20 seconds (typically every few hours). We've set the following cache settings (which I've seen recommended in a couple of threads):

- CMSDesk > Properties > General >Cache = 1440
- SiteManager > Settings > Cache content (minutes) = 1440
- SiteManager > Settings > Cache page info (minutes) = 1440

Although we've scheduled to upgrade the site to V6, this won't be in place for a couple of months. Is there anything that could be causing this poor performance? We host several other ASP.NET websites on our server which all perform well.

Thanks,
Dave

Kentico Support

kentico_jurajo - 11/14/2011 2:04:19 AM

RE:Performance issues

Hi,

Are there any exceptions logged in Site Manager -> Administration -> Event log or, in the system's Event viewer?

From your description it seems that your application is being recycled after some idle time (what are the IIS settings?). Then, the first start can take a longer time since the application is starting and everything is being loaded to cache and memory.

If there is set any idle time - you can remove this setting or set the IIS to ping the site every few minutes to keep it alive.

Best regards,
Juraj Ondrus


Member	oggie - 11/14/2011 4:44:38 AM RE:Performance issues Thanks for your quick response. Yes it turns out the "Shutdown worker processes after being idle for (time in minutes)" setting for the application pool used by the website was set to 20 minutes (which I believe is the default value). I've disabled idle shutdown for the application pool and performance is much improved.

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