Kevin, are you using Redis on IBM i?

Aaron Bartell
IBM i hosting, starting at $157/month. litmis.com/spaces


On Fri, Dec 16, 2016 at 1:01 PM, Kevin Turner <
kevin.turner@xxxxxxxxxxxxxxxxxxxx> wrote:

Hi Nathan

It's configurable in our setup, so you could have one queue for everything
or one queue per app or one per functional area or even one per module
etc. The number of processes waiting for arrivals on each queue is also
variable and it scales up and down on demand. It's very much like the sort
of thing you can do with data queues. We find redis is faster than using a
reverse proxy but it is similar from a topology point of view. On the
backend the process loads the module on demand (with require) and then
hands off the data for it to do its thing.

Cheers
Kevin

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On 16 Dec 2016, at 18:30, Nathan Andelin <nandelin@xxxxxxxxx> wrote:


A completely separate node.js process that knows nothing about HTTP
picks
the request off the redis queue and hands it off to the node.js module
that
is supposed to deal with it.


Thanks for your reply, Kevin. Having one Node process listening on an
HTTP
port, then forwarding requests to another Node process listening on a
Redis
queue seems comparable to a reverse proxy redirecting requests to another
HTTP server. In both cases, you're using sockets to send and receive
messages. Except in your case, you're using a 3rd party message
broker(Redis) to serialize requests in FIFO order.

In regards to the external Node process (the one that implements a BusMQ
interface with Redis), do you implement one of those per application? Or
do
you implement one of those processes for a large number of applications,
and dispatch requests to in-process JavaScript modules?

The sample module interface you shared suggested the latter. But you
didn't
say explicitly. Thoughts?
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