Re: IWS REST API performance questions

[Nathan Andelin <nandelin@xxxxxxxxx>]

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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