> > 1. about how many servers?
since we know very little about the actual application you're writing,
it's hard to give very accurate numbers. 3 450mhz Zeon boxes should be
sufficient to handle the 700,000 or so dynamic page views a day, assuming
that your Oracle box can keep up.
> > 2. how would i separate the load?
> > round robin only? needs to provide failover.
If your budget permits, I'd suggest a hardware based load balancer.
LocalDirector 416 is one of the less expensive models that I know of, and
can found for $7500-$8000.
Some folks on the list have mentioned some software solutions to this
problem (using a dedicated machine as the "router"), but I don't know much
about that.
> > 3. JIT compilation or native threads w/ apache JServ? what's going on
> > here?
I've heard mixed reports on the TYA JIT. Personally I've never seen any
problems with it, but some folks say it's dumped core under load.
> > 4. any tests done on uptime, memory leaks, etc.
JServ 0.9.12 seems to work well. the load balancing code in it is broken
(my fault), but you could work around that by running apache/jserv on all
3 boxes, and configuring LocalDirector to issue an HTTP request to each
box that tests the database connection or something similar.
If any box fails that test, LocalDirector will take that server out of the
rotation. presumably you'll want to page an operations person too (you
may have to write a separate polling script to do that).
good luck
-- James
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