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On 13 Oct 2015, at 20:06, Mark Murphy/STAR BASE Consulting Inc. <mmurphy@xxxxxxxxxxxxxxx> wrote:
I recognize this technique, but, due to my knowledge of node being limited at best, I have to wonder if this is an appropriate technique using node. That is, since Node is event driven, should there be a need to wait, and then loop around and check conditions again. RPG is not event driven, hence the need for such a loop. But I was under the impression that Node already incorporates this event loop and will call the appropriate function when the event occurs. I would expect to have to register to receive the event in some way, but not to have to code the event loop.
Mark Murphy
STAR BASE Consulting, Inc.
mmurphy@xxxxxxxxxxxxxxx
-----Kevin Turner <kevin.turner@xxxxxxxxxxxxxxx> wrote: -----
To: "Web Enabling the IBM i (AS/400 and iSeries)" <web400@xxxxxxxxxxxx>
From: Kevin Turner <kevin.turner@xxxxxxxxxxxxxxx>
Date: 10/11/2015 04:44PM
Subject: Re: [WEB400] Why does node's Toolkit for i, use a database connection to execute CL commands?
That's interesting stuff - thanks. I'm not entirely sure how to dig deeper but I will try :)
On 11 Oct 2015, at 17:47, Richard Schoen <Richard.Schoen@xxxxxxxxxxxxxxx> wrote:
I wonder if the loop is forcing a new job start each time on the i.
With XMLCGI, there is an IPC service that takes a few seconds each time it's re-initiated and I could see this being intensive if you had to create a new session for each interaction.
You can start the IPC session with a unique name and use the same job over and over if I want to maintain state and use the same job on the I which should improve performance I think.
Not sure how the node toolkit works, but this works good with .Net and should be similar depending on how the toolkit was implemented.
Regards,
Richard Schoen | Director of Document Management Technologies, HelpSystems
T: + 1 952-486-6802
RJS Software Systems | A Division of HelpSystems
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----------------------------------------------------------------------
message: 1
date: Sat, 10 Oct 2015 22:32:23 +0000
from: Kevin Turner <kevin.turner@xxxxxxxxxxxxxxx>
subject: Re: [WEB400] Why does node's Toolkit for i, use a database
connection to execute CL commands?
It may or may not be of interest or relevant, but we have lots of code that sits and waits of data on a keyed data queue. It waits for 5 seconds then loops round and checks some stuff (like an instruction to end) then waits again.
When I did the same in a node app using itoolkit, the LPAR simply died on its feet. It wasn't obvious why because the node app was not showing up as using much CPU. However it certainly was the culprit - I changed to wait for 60 seconds instead as it wasn't essential to loop every 5 secs. The problem went away.
On 10 Oct 2015, at 15:58, Nathan Andelin <nandelin@xxxxxxxxx> wrote:
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