I replied to this thread about our successful use of PD4ML but did not see my own response, despite that subscription option being set.
Yet the archive shows that the response hit the list.
If this reply gets there perhaps someone in the thread could confirm for me that they got it.


-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Schmidt, Mihael
Sent: Wednesday, 12 May 2010 7:36 p.m.
To: Web Enabling the AS400 / iSeries
Subject: Re: [WEB400] PDF Performance

Having one batch job doing all the java stuff and communicating via queues is also the concept of the sourceforge project Appserver4RPG


-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Aaron Bartell
Sent: Tuesday, May 11, 2010 11:23 PM
To: Web Enabling the AS400 / iSeries
Subject: Re: [WEB400] PDF Performance

Any thoughts about performance?

You have now met my friend named "JVM startup" :-)

Yes, you could probably get that down to less than 30 seconds by only
starting a single JVM in a batch job and communicating with it from RPG
using data queues. Though I shouldn't speculate too much because I haven't
been on a machine with only 1GB of memory in a loooong time. This is the
same approach I use for RPGChartEngine ( - free and open source).

Performance may be a moot point, however. PDF reports are a requirement!

What is your timeline for needing it? Maybe we could trade some Java open
source work for some RPGUI open source work :-)

Aaron Bartell

On Tue, May 11, 2010 at 4:07 PM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:

One thing that motivated me to download pd4ml was a performance benchmark,
published on their web site, which indicated much higher throughput than
that of my testing with Aaron Bartell's HTML2PDF4i utility. My original
thought was that a performance advantage alone might justify the additional
cost of a pd4ml license. However, both utilities appear to offer identical
performance in generating an identical 150 page PDF document on my server.

That may not be saying much. It takes 2 minutes to generate that PDF on my
server. To be honest, that kind of performance is a bit repulsive to me.
I've done a number of performance tests, and I think these Java jars may be
a case where my 1 Gig of RAM, is insufficient.

Performance may be a moot point, however. PDF reports are a requirement!

Any thoughts about performance?


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