Re: Java batch job performance issue

[Charles Wilt <charles.wilt@xxxxxxxxx>]

WRKJVMJOB

May provide some useful info.



On Wed, Jun 17, 2015 at 2:55 PM, Steinmetz, Paul <PSteinmetz@xxxxxxxxxx>
wrote:

> We are testing our first Java application.
> V7R1 JDK 6.0 32 bit.
> Sending 1,000,000 single requests in batch to a remote server.
>
> This was a stress test.
>
> Job was constantly taking 50% CPU, very little disk.
>
> When started, job was doing  25 api calls per second, now it is 3 after
> 740,000 after 18 hours.
> The heap size started at 30MB and is now roughly 600MB.
>
> The job did not error, simply slowed down.
> We cancelled at this point.
>
> Any thoughts?
>
> Thank You
> _____
> Paul Steinmetz
> IBM i Systems Administrator
>
> Pencor Services, Inc.
> 462 Delaware Ave
> Palmerton Pa 18071
>
> 610-826-9117 work
> 610-826-9188 fax
> 610-349-0913 cell
> 610-377-6012 home
>
> psteinmetz@xxxxxxxxxx
> http://www.pencor.com/
>
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