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Kelly,

It seems that you've been experimenting with IWS for at least a couple of
years, now. During that time, haven't you ever considered running
performance tests against your web services to measure how they perform?

Nathan.


On Mon, May 10, 2021 at 8:56 AM Kelly Cookson via WEB400 <
web400@xxxxxxxxxxxxxxxxxx> wrote:

We may adopt IWS REST APIs in our shop. However, I have concerns about
performance. I am *not* concerned that IWS REST APIs cannot perform well. I
have heard from more than one person that shops have achieved good
performance with IWS APIs at high volumes of requests. I assume it is
possible to get the kind of performance we want from IWS REST APIs.

The question is whether or not *our shop* will be able to achieve that
good performance.

1. If achieving good performance with IWS REST APIs requires a relatively
big IBM i or additional partitions for conceptual load balancing or
something else that might involve significant new investments in hardware,
then I would like to know this. This would not necessarily be a
deal-breaker. But I would like to know what to expect in advance. (I know
this is hard to answer without the specifics of our system. I am looking
for a general description of what size/configuration of an IBMi system is
needed to handle a high volume of REST API requests-defining high volume
however you want-with good performance.)

2. I know the "Integrated Web Services Server Administration and
Programming Guide" contains suggestions for performance tuning. However,
most of the suggestions involve things that are new to us. if we need help
to optimize the various performance tuning options mentioned in the
programming guide, where can we turn to for more detailed help? Can we get
help from IBM, for example?

Thanks,

Kelly Cookson
Senior Software Engineer II
Dot Foods, Inc.
1-217-773-4486 ext. 12676
www.dotfoods.com<http://www.dotfoods.com>

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