Oct 13 2009

Load-Testing ColdFusion Applications - Three Short Videos

Posted by Mike Brunt at 6:51 AM
30 comments
- Categories: Web Servers | .NET | DataBase | CloudComputing | ColdFusion | JRun-J2EE

We recently shot three short videos showing a real world example, on a production application, where we demonstrated a methodology for load testing and determining bottlenecks which degrade performance as load increases.  In addition we also show the effects of applying what we call a "front caching" mechanism to dramatically improve performance.  The videos can be viewed here.

Front caching means a mechanism which sits before the web/application server after the firewall, router or clustering mechanism thereby reducing traffic/load on the whole back-end infrastructure.  Constructs such as memcached, sit in between the web/application servers and reduce load on the data tier.  We have also assisted several clients who use memcached but have found front caching mechanisms to be more effective overall.  More on this soon.

Comments

Mike Brunt

Mike Brunt wrote on 10/13/09 11:40 AM

One point I want to emphasize here Dan Wilson was very instrumental in creating these videos.
Claude

Claude wrote on 12/16/09 9:04 AM

Thanks Mike.

In the sample video, what was the setup prior to employing front-caching? Was the CF server handling all requests, including those of static files such as images, scripts and CSS?

Would you then say placing a web server, such as Apache or Lighttpd, between the users and the application server is a good first step in segregating static and dynamic requests?
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