activemq-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jamie McCrindle" <jamiemccrin...@gmail.com>
Subject Re: Flow control on a recursive system, guidelines?
Date Wed, 03 Jan 2007 17:15:37 GMT
On 1/3/07, drvillo <f.vivoli@gmail.com> wrote:
>
> Hi
>
>
> >> 1. Why is this different than calling Thread.sleep within an onMessage()?
> >> Anyway yes, this is something that I have thought of.
> >
> > Yup, that's pretty much it. But it is a sledgehammer.
> >
> yes, actually this was just to see if timing could help:)
>
>
>
>
> >> 2.
> > Yipe. You could want something like a compute server. You could do it
> > with a single compute queue but it'll double the number of hops in
> > your pipeline. (i.e. seed --> compute queue --> C --> q1 --> L1 -->
> > compute queue --> C --> q2 --> L2 etc.).
> >
>
> Mmhh, actually I'm not sure I understand what you mean...The flow of
> messages
> would be the same, what would the compute server actually do?

Ah, yes. I was thinking about something like this:
http://www.artima.com/jini/jiniology/js2.html but done with JMS but on
reflection it would be a pretty invasive change.

> >> 3. yes, this is something that would help, but given the rate of message
> >> arrival
> >> wouldn't I insert too much overhead?
> >
> > You could sample them at whatever interval you prefer.
> >
> well, I'd have to do it every time I want to enqueue something, but probably
> there's some heuristic to be used.
>
> Thanks, again:)
> cheers
> Francesco
>
> --
> View this message in context: http://www.nabble.com/Flow-control-on-a-recursive-system%2C-guidelines--tf2894291.html#a8141203
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>

Mime
View raw message