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AFAIK this is pretty much it. Once the bytecode is compiled down to
machine code you've last the mapping back to Java, particularly since
the code will have probably been re-ordered as well as just compiled.
I think you'll just have to test the hell out of the product and only
then turn JIT on.
What I do is I have a remote logging service that runs in my distributed
system. I can turn debug logging on for a server when a customer raises
a problem and though it's all optimised and the stack trace ain't too
great
I tend to be able to find the problem from the debug logging. When
logging is
turned off no round trip happens to the logging daemon because I use a
smart
proxy.
andy s.
Ron Decanio wrote:
>
> ----------------------------------------------------------------
> BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> WHEN YOU POST, include all relevant version numbers, log files,
> and configuration files. Don't make us guess your problem!!!
> ----------------------------------------------------------------
>
> Thank You. Do you know of another alternative however? Disabling the JIT
> will cause a performance lose, correct? Causing the server to slow down
> considerably depending on the number of servlets? Is there any other
> solutions to get debugging info without disabling the JIT or is this
> pretty much it? Thank You very much.
>
> >
> > ----------------------------------------------------------------
> > BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> > WHEN YOU POST, include all relevant version numbers, log files,
> > and configuration files. Don't make us guess your problem!!!
> > ----------------------------------------------------------------
> >
> > Take a look at:
> >
> > http://java.sun.com/products/jdk/1.2/docs/tooldocs/solaris/java.html#jit
> >
> > Andrew.
> >
> >
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