Somebody wrote:
> We are ready to put our JSP project from JSWDK to an advanced
> JSP/Servlet engine. But we have not decided which product to choose yet:
> JRUN
> Resin
> ServletExec
> Orion server
> ...
> Could anybody share your experiences? both cost wise and speed wise?
I have worked with jrun running under netscape. I had a site
running a set of servlets that used RMI to talk to a set of backend
RMI servers that handled the business logic and used MQSeries to talk
to an IBM 390 mainframe. It served about 3000 servlet requests an
hour, running on a fairly gutsy Solaris box. About half of those
requests required RMI requests back to the second tier.
For the most part it went quite smoothly. We did notice that
after about a month or so of continuous serving we had some OS
problems and ended up having to hard boot the system (i.e. flip the
power switch - this is *not* commonly done with large Solaris
systems). However, this may have been due to Netscape (NES 3.6)
server memory leak problems.
Essentially, the rest of the sites were running in a round-robin
configuration using Cisco LocalDirector to distribute the requests
evenly to two Solaris boxes, each running a couple dozen netscape
servers. Last minute changes in the local network architecture
required this particular server to run all by its lonesome, handling
just as much traffic per hour as the other busiest server - which was
sharing its load between two machines. So this constituted probably
the heaviest load that configuration had ever seen at that
corporation. Once we got the round-robin working for that server, we
never saw a reoccurrence of that problem.
This is not to say Jrun is the best option, just to give you a
little anecdotal information.
I've heard some *very* nice things about OrionServer. It's not
just a JSP & servlet engine, it provides a lot more (support for EJB,
etc, go look at their website). It has the simplest install I've ever
seen - it's a Jar file :-). I convinced the primary web server admin
here to take a look at it as an option for rebuilding our e-commerce
stuff for high load. He's been quite impressed with it so far. I'll
provide more info on that as we get more experience with it. It has
some respectable looking benchmark info on their site, too
(www.orionserver.com). The last time I looked the price for Orion was
an extremely reasonable $1500.
Steven J. Owens
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