well, i actually have have some viewgraphs describing the flows,
but i see the note on the bottom says "proprietary restricted -- NDA required".
never mind.
i should be okay; most of the flow is push/pull and the rest is PUB/SUB.
and the main case of PUB/SUB is more or less a device where its hould be easy
to count
ins and outs.
just to verify, to set hwm limits on a push pull, i set it just on the pull end,
after the zmq_socket call and before the zmq_connect call. correct?
andrew
On May 16, 2011, at 7:04 AM, Ian Barber wrote:
>
>
> On Mon, May 16, 2011 at 2:54 PM, Andrew Hume <[email protected]> wrote:
> how can i tell if it was hit?
>
> generally, the process links don't have hwm set, but some do.
> is your advice to set them on all links?
>
>
> Yeah, I think having HWM set across all links is a good idea. For detection,
> depends on the socket type - polling for blocking should work for HWM on
> REQ/XREQ/PUSH sockets, but I don't think there is any way to measure it for
> PUB/XREP as it will just drop. The only way to get detection then is to have
> sequence numbers and some kind of nack, which seems like a lot of work for
> the problem here - you're getting to the point where you could implement as a
> series of request-response connections and track that way, which is a pretty
> big model change if you are using pub sub.
>
> Ian
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------------------
Andrew Hume (best -> Telework) +1 623-551-2845
[email protected] (Work) +1 973-236-2014
AT&T Labs - Research; member of USENIX and LOPSA
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