> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Kirk Wolf
>
> John,
>
> The first step is to figure out if the JVM is running reasonably well.
>
> You can do this by timing "HelloWorld".
>
> Here's what I get on my system:
>
> > export JAVA_HOME=/usr/lpp/java14/IBM/J1.4
> > time $JAVA_HOME/bin/java -cp $JAVA_HOME -version HelloWorld
>
> java version "1.4.1"
> Java(TM) 2 Runtime Environment, Standard Edition (build
> 1.4.1) Classic VM (build 1.4.1, J2RE 1.4.1 IBM z/OS
> Persistent Reusable VM build cm1411sr2a-20040515 (JIT enabled: jitc))
>
> real 0m 1.28s
> user 0m 0.13s
> sys 0m 0.04s
>
>
> What do you get on your system?
Timings:
real 0m 3.52s
user 0m 0.99s
sys 0m 0.33s
>
> If you find that HelloWorld is taking more than a couple of
> seconds to run, then you should
> resolve that first (open a problem with IBM).
Done that; still open.
> FWIW: There seem to be lots of non-Websphere customers that
> are now running java and having performance problems, since
> they haven't been through the Webphere installation
> procedures for configuring their environment to run java
> properly under z/OS.
Now that's a clue I didn't have before.
"Nose into the books."
-jc-
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