On 11/20/13 3:10 PM, Dan Kimmel wrote:
"Optimize" is a loaded term. I don't know of any methods to optimize,
though I know a few tricks to make java (and Tomcat) run faster.

First, run java in its own storage pool. There's a couple ways to do
this. I create a separate subsystem and allocate a pool to it. I
allocate either a private pool or one of the *SHRPOOLxx's. . . .

Would anybody happen to have a recommendation on a tutorial for this?

The J9 jvm's beat hell of the classic except in rare circumstances.
On older versions of the OS, that's usually what's known as the "32
bit" jvm. On newer systems, there's 64-bit versions of some J9's
depending on Java version.

At the moment, we have Tomcat running in the JVM at
on a V6R1 box. The CL we use to start Tomcat has that as its first choice, and failing to find it looks for (in this order):
and takes the first one it finds. Should I change this to prefer 32-bit JVMs over 64-bit?


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