[zeromq-dev] TCP zeromq performance review

Pieter Hintjens ph at imatix.com
Tue Oct 23 03:09:24 CEST 2012


On Tue, Oct 23, 2012 at 6:18 AM, Rohan Bedarkar <r_bedarkar at yahoo.com> wrote:

> Well I could but I don't understand why individually sending messages, and
> waiting for each before sending the next, would make each individual message
> go out slower than if I send a million at once. Wait a min, is it possible I
> need to flush the send buffer when I send one message at a time?

With the latency test there's no batching so if you do see a
difference as you increase the test size, it's due to OS behaviour.

Presumably some laziness in the OS which gets ironed out as you load
up your processes more.

-Pieter



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