Re: AW: Speed up Java on i

[Joe Pluta <joepluta@xxxxxxxxxxxxxxxxx>]

Did you try doing this on a standalone machine (either Windows or 
Linux)?  I don't think 5 a second is slow; the web service is only about 
3 times as fast.  Two millions documents with the web service is still 
30 hours.

On 11/24/2020 12:52 AM, Logic IT: K. Fritz wrote:
> To clarify:
>
> I changed it from single requests to a server solutions with a dataq. The
> dataq will be created only once a job.
> This gave me a positive result, but still too less.
>
> Core dates:
> Box:		IBM i9, single core, 32 MB mem, V7R4
> Java:		JVM Java 8SE 32 bits
> Code-Pics:	500 jpg / 90 sec. on IBM i  vs. external webservice  = 500
> jpg / 35 sec.
>
>
> Regards,
> Karl
>
> -----Ursprüngliche Nachricht-----
> Von: JAVA400-L [mailto:java400-l-bounces@xxxxxxxxxxxxxxxxxx] Im Auftrag von
> Charles Wilt
> Gesendet: Montag, 23. November 2020 20:55
> An: Java Programming on and around the IBM i
> Betreff: Re: Speed up Java on i
>
> Is this a pure Java solution, or are you invoking Java from RPG for
> instance?
>
> In the past, I've found pure Java to be faster than trying to invoke from
> RPG.
>
> What OS version?  What Java version? 32/64 bit?
>
> Have you tried to determine where the time is being spent?
>
> Charles
>
> On Mon, Nov 23, 2020 at 12:39 PM Logic IT: K. Fritz <k.fritz@xxxxxxxx>
> wrote:
>
> > Hi,
> >
> >
> >
> > I've a very special case of a customer.
> >
> > Case:     Printing a QR Code with the Swiss flag in the middle.
> > (Direction!)
> >
> > Printerfiles are not able to do that, QR-Codes yes, but not with an
> > embedded
> > picture.
> >
> >
> >
> > So I've wrote a small ZXING Java program and a colleague a DataQ server
> > program to prevent multiple starts of the JVM.
> >
> > But it's still too slow! For 1000 QR Codes needs my i9 3 Min and the
> > customer talks about 2 Million documents with a QR-Code.
> >
> >
> >
> > How can I achieve much more speed to run the java prog?
> >
> > This customer wants a full IBM i solution.
> >
> >
> >
> > Who can give me a good advice.
> >
> >
> >
> > Thanks and take care.
> >
> > Karl
> >
> > --
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