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  2. WEB400
  3. October 2004

Re: FRCA-Fast Response Cache Accelerator any benefit while running CGI apps?

I have been using FRCA reverse proxy cache for the past year with cgi programs to serve election night results real-time. I've got it set to cache for three mminutes, so the first call to a particular page loads it into the cache. Subsequent calls during the next three minutes receive the cached copy. There are literally thousands of pages cached in a large election and this works extremely well.

Prior to using the cache, each request did a cgi database read and buidl of an html page, with a resulting high processor and disk usage. We did some stress testing originally and found a tremendous performance improvement using the cache, while keeping cpu usage within acceptable levels. The real test will be next Tuesday night when the polls close. Wish me luck!

BTW, the IE browser refresh button retrieves the cached copy. Mozilla, however, forces a reload. Fortunately, about 98% of our clients are IE, so it works fine.



Mike Skvarenina wrote: 
My apologies for the continuous questions but now that I'm running Apache, I
feel like a kid in a candy store and am looking to maximize my CGI
performance.  The documentation is useful but end user experience is almost
always much more informative.

This question is about the FRCA.  My CGI apps are basically RPG database
intensive programs that don't make much use of the IFS.  About the only IFS
references I use is for the graphics (icons and pictures) I store on the IFS
so my CGI apps can reference them.

In this case, does using FRCA add any benefit?


Also, I see there are options to specify the min and max number of CGI jobs.
The default is 40.  I cannot find any documentation on recommended values
based on my system size.




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