Don,

On Thu, Feb 28, 2008 at 11:36 AM, Don L <[EMAIL PROTECTED]> wrote:

> Per Mark Mandel's following piece,
> http://www.compoundtheory.com/?action=displayPost&ID=270
>
> Your thoughts/experience?


Unfortunately, the answer is the usual: "it depends." Certainly, it depends
on your application(s). And to some extent, it may depend on who you talk
to.

The issues Mark refers to are easily seen if you're using a lot of framework
stuff, and in particular, with Transfer. There's a lot of class loading
going on, and that can kill the performance. I ran into the issue in
deploying a client site, and we went through two hosting services before
Mark and Sean Corfleld blogged about this problem, and we realized it wasn't
the host's fault. There was a fair amount of discussion about the problem on
the Transfer list.

On the other hand, many people (including, of course, Adobe), say that it's
the combination of CF8 and Java 1.6 that provides the huge performance gains
shown in Adobe's benchmarking for CF8. So evidently, in most CF
non-framework-driven applications, the issue is overcome by other
performance gains.

When I ran into the problem, I discussed it with a contact I have at
CrystalTech, and they actually discussed the issue with Adobe. As Mark
suggests, both Adobe and Sun are aware of the problem. Sun just hasn't fixed
the bug yet. But CrystalTech (and other hosting services I've talked to) are
not willing to downgrade the Java version because it will hurt performance
for many/most of their customers.

In my case, I moved to a VPS where I was free to change the Java version,
and it made a gigantic difference. Of course, the VPS made a difference in a
lot of other ways.

So how much of a problem the Java bug is -- or whether it's a problem for
you at all -- depends very much on your situation.


-- 
Thanks,

Tom

Tom McNeer
MediumCool
http://www.mediumcool.com
1735 Johnson Road NE
Atlanta, GA 30306
404.589.0560


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