Re: Hosting a Large Number of Node Apps on the IBM i -- WEB400

The Node.JS that we are running for IBM i, That is a version that IBM
specifically updated for IBM Power. We actually did start with the AIX
version and did make a couple of updates in the source specifically for
PASE on IBM i . Not many mind you, the IBM version for Power worked
pretty well.

Tim

Tim Rowe, timmr@xxxxxxxxxx
Business Architect Application Development & Systems Management for IBM i
IBM i Development Lab, Rochester, MN
(507) 253-6191 (Tie) 553-6191

http://www-03.ibm.com/systems/power/software/i/are/index.html

----- Original message -----
From: Henrik R**tzou <hr@xxxxxxxxxxxx>
Sent by: "WEB400" <web400-bounces@xxxxxxxxxxxx>
To: "Web Enabling the IBM i (AS/400 and iSeries)" <web400@xxxxxxxxxxxx>
Cc:
Subject: Re: [WEB400] Hosting a Large Number of Node Apps on the IBM i
Date: Wed, Oct 14, 2015 7:18 AM

Aaron and Tim

Thanks

I think that difference between Apache and whatever we port to
PASE is that the Apache run in the ILE environment and not in PASE.

Btw I also believe that the node.js implementation in PASE isn't the
AIX implementation - I seems to remember that there where some
incompatible things in the C code.

On Wed, Oct 14, 2015 at 2:03 PM, Tim Rowe <timmr@xxxxxxxxxx> wrote:

> Correct. Many of the packages that are out on perzl.org
> do work very well on PASE on IBM i. The PASE container really is
an AIX
> kernel that is imbedded into the IBM i OS. Well, technically side
by
> side
> with a great number of hooks that allow the 2 side to chat. Yes, I
have
> head of more then one person running the NGiNX on IBM i in this
manner.
> If you are doing some basic web serving it will be fine. The
Apache
> server has a number of advantages vs NGiNX (running in this manner)
and
> its all surrounding the integration to the IBM i OS. Being able to
> understand the IBM i security, and file system, built in low level
> Caching. But, when you look at using the right tool for the job,
the
> feature in NGiNX that you are after makes that an interesting
choice
> when
> paired with node.js.
>
> Tim
>
>
>
>
> Tim Rowe, timmr@xxxxxxxxxx
> Business Architect Application Development & Systems Management for
IBM
> i
> IBM i Development Lab, Rochester, MN
> (507) 253-6191 (Tie) 553-6191
>
> [1]http://www-03.ibm.com/systems/power/software/i/are/index.html
>
>
>
> ----- Original message -----
> From: Kevin Turner <kevin.turner@xxxxxxxxxxxxxxx>
> Sent by: "WEB400" <web400-bounces@xxxxxxxxxxxx>
> To: "Web Enabling the IBM i (AS/400 and iSeries)" <
> web400@xxxxxxxxxxxx>
> Cc:
> Subject: Re: [WEB400] Hosting a Large Number of Node Apps on the
IBM i
> Date: Wed, Oct 14, 2015 6:22 AM
>
> Maybe he is running it in PASE
>
> -----Original Message-----
> From: WEB400 [[1][2]mailto:web400-bounces@xxxxxxxxxxxx] On Behalf
Of
> Henrik
> R**tzou
> Sent: 14 October 2015 12:20
> To: Web Enabling the IBM i (AS/400 and iSeries)
<web400@xxxxxxxxxxxx>
> Subject: Re: [WEB400] Hosting a Large Number of Node Apps on the
IBM i
>
> Aaron
>
> I don't see any download for IBM I only for Linux and AIX?
>
> On Wed, Oct 14, 2015 at 1:16 PM, Aaron Bartell <
> aaronbartell@xxxxxxxxx>
> wrote:
>
> > I have nginx running on IBM i. You can get it from perzl.org.
> > On Oct 14, 2015 4:39 AM, "Henrik R**tzou" <hr@xxxxxxxxxxxx>
wrote:
> >
> > > Gents
> > >
> > > just because you want to run node.js apache don't disappear.
> > >
> > > Most of us would probably want to have a mixed environment
and no
> > > one says that you can't run node.js as a proxy under apache -
very
> > > similar to routing CGI requests.
> > >
> > > If you want to load balance your environment you can also put
a
> > > NGiNX
> > > (engine-x) HTTP server in front of both your apache and your
> node.js
> > > servers.NGiNX is designed to be able to handle C10K+
concurrent
> > > requests
> > >
> > > This means that you are able to run concurrent node.js
servers on
> > > IBM I very similar to apache's QZSRCGI stack.
> > >
> > > Remember that node.js is single treaded and will only use one
core
> > > at the time on any hw-platform.
> > >
> > > Unfortunately NGiNX hasn't been ported to IBM I yet so you
either
> > > has to run it in a Linux/AIX LPAR or on another machine.
> > >
> > > On Wed, Oct 14, 2015 at 8:57 AM, Kevin Turner <
> > > kevin.turner@xxxxxxxxxxxxxxx>
> > > wrote:
> > >
> > > > "Routing steps" is probably acceptable terminology,
although I
> > > > think
> > they
> > > > are referred to as just "routes". We have to careful not to
> > > > confuse
> > > routes
> > > > within an app with the higher level route to the app in the
> first
> > place.
> > > > The latter is the top level URL:port on which the app is
> listening
> > > > and
> > > the
> > > > former is the internal routing to controllers handling the
Ui
> for
> > > > the
> > > app.
> > > > I am sure Kelly is talking about the top level routing to
the
> app
> > > > and
> > how
> > > > to handle that as opposed to the question of internal
routing to
> > > "screens"
> > > > within the app.
> > > >
> > > > Sent from my iPad
> > > >
> > > > On 14 Oct 2015, at 05:03, Nathan Andelin
<nandelin@xxxxxxxxx>
> wrote:
> > > >
> > > > >>
> > > > >> We are talking stateless here so you will never have
20.000
> > > > >> routing
> > > > steps
> > > > >> to handle at the same time unless you have millions of
> users..
> > > > >
> > > > >
> > > > > Henrik,
> > > > >
> > > > > Maybe "routing steps" is not the right term.
> > > > >
> > > > > All HTTP requests need to be routed to specific
JavaScript
> > > > > functions
> > in
> > > > > Node.js.
> > > > >
> > > > > The idea is to use URLs to "route" requests
appropriately.
> Say a
> > > > > URL pattern such as the following is used to route HTTP
> requests:
> > > > >
> > > > > /major-system/module/application/requested-action
> > > > >
> > > > > Even a moderately scope system could very well exceed
20,000
> > > > > unique
> > > URLs
> > > > > for more than 20,000 possible JavaScript functions
(request
> > handlers).
> > > > >
> > > > > So maybe routing is handled with a a series of nested
> conditions:
> > > > >
> > > > > When URL-major-system = "human_resources" ...
> > > > > When URL-module = "payroll" ...
> > > > > When URL-application =
"maintain_employee_payroll_deductions"
> ...
> > > > > When URL-requested-action = "list_employees" ...
> > > > >
> > > > > Since you mentioned having a "stateless" environment,
that
> > > > > raises the likelihood of managing state for each user,
and
> > > > > possibly for each application identified in a URL.
Wouldn't
> some
> > > > > part of the URL be
> > used
> > > > as a
> > > > > key for saving and restoring user state?
> > > > > --
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> > > >
> > > > CoralTree Systems Limited
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> > > Regards,
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> > >
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> Henrik R**tzou
>
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Regards,
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