Re: Scaleability of Jetspeed

[Jun Yang]

Many Cisco internal projects use Jetspeed.  The most recent I was 
involved in serves 8000 total and > 400 peak concurrent users.  There is 
a cluster of Tomcat servers used.  Performance was not a problem after 
we made sure correct Solaris and JVM patches were put in and database 
PSML manager (with resource leaks) was replaced with an in-house 
developed version.

Jun

Sherman Mohler wrote:

If I may ask, what is the largest deployment using Jetspeed anyone 
knows of? Are there any "known" scaleability concerns regarding 
Jetspeed, or portals in general?

I am asking this because I ran into a uPortal enthusiast who went on 
to say that portals really do not scale well past 50,000 users. Seems 
to me that while portal (compound view) patterns are certainly 
non-trivial, that was a pretty broad-brush statement. Any input would 
be greatly appreciated, as my organization is considering adopting 
Jetspeed for some non-profit initiatives.

Thanks!

-- Sherman
   Teacher's Treasure Trove
   www.teachingsupplies.com 


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