Re: Servlets Using JT400.zip Java Toolbox

[Eric Merritt <cyberlync@xxxxxxxxx>]

Hello Lee,

We use record level access and servlets extensively in
our organization and here is what we do.

 1. Load all of your files in the init method of the  
  servlet (This will conceal the overhead from your   
 users)

 2. Use the create java program command to create an
    as/400 java program for your servlets

Call Syntax
CRTJVAPGM CLSF('classfilelocation')
OPTIMIZE(optimizationlevel)

We usually use optimization level 40 but you can use
whatever you like. I would suggest the you use the
sbmjob command in conjunction with the crtjvapgm
command as usually your batch process runs much fast
then interactive and this may take some time.

It is our understanding that what takes so long that
first time around is that websphere basically runs the
crtjvapgm command on that class itself, with an
optimization level of 10. By doing this in advance you
can avoid that first time overhead. 

   Valid Optimization Levels 
   10
   20
   30
   40

 Optimization level ten is the lowest optimization
possible and your servlet will run slower then if
optmized with a higher level. Optimization level 40 is
just the opposite and you will get good performance
from the servlet.
 
Hope this helps.

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