[rabbitmq-discuss] Unexaplainable behaviour with shovel plugin.

Laing, Michael michael.laing at nytimes.com
Sat Mar 1 16:22:15 GMT 2014

Our volumes are quite variable on the shovels, representing a high overall
degree of variability in our message volumes.

Just looking over the last 24 hours, shovel volume ranged from 25/sec to
2,500/sec on our Oregon core cluster.



On Fri, Feb 28, 2014 at 1:14 PM, Ben Hood <0x6e6562 at gmail.com> wrote:

> Michael,
> On Fri, Feb 28, 2014 at 12:45 PM, Laing, Michael
> <michael.laing at nytimes.com> wrote:
> > So I turned to shovels for more simplicity and control at the expense of
> > more difficult configuration.
> Yes, it is quite a low level tool, but I guess sometimes your
> requirements are intricate enough to need to reach down to the lower
> layer.
> > Some of our core clusters support the 'retail' layer of instances that
> > gateway to clients (candles?). We are introducing federation into one of
> > these communication links because we want the propagation of client
> bindings
> > from the gateway instance to the core - an excellent feature of
> federation
> > and an important refinement for us.
> Using federation to implement an AMQP gateway seems like a common
> pattern. One wonders why it didn't go into the AMQP spec ....
> > Initially I had thought that the 'new' federation replaced the 'old'
> shovel,
> > but this is not true - each tool has its place although their
> capabilities
> > overlap.
> >
> > With easier configuration in 3.3, the lowly shovel may get its due!
> It's interesting to see that the shovel still lives on, despite it
> being quite an agricultural component. What sort of message volumes
> are you guys processing with this, BTW?
> Thanks for being so detailed about your experiences, it's much appreciated.
> Cheers,
> Ben
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