[zeromq-dev] Max number of client in Pub-sub model supported by ZeroMQ

Pieter Hintjens ph at imatix.com
Thu Dec 17 16:27:51 CET 2015

The limit is defined by system limits on open files, and the context
default of 1024 sockets (via zmq_ctx_set (ZMQ_MAX_SOCKETS) call).

On Wed, Dec 16, 2015 at 2:22 PM, Haipeng Jiang
<haipeng.jiang at sixcapital.sg> wrote:
> Hi, All
> I am curious in ZeroMQ performance in Pub-sub model being applied to stock
> information dispatching.
> The initiative is to dispatch the Stock/Forex real time quote price cross
> network as proxy server. Trading client side will subscribes those quote
> price.
> My question is what is the
> Ceiling number of clients subscribing to Server side? what is maximal number
> of clients can be supported by ZeroMQ.
> Our case is, 10,000 client will be subscribing to one server. or servers if
> considering scale out in architecture.
> thanks a lot
> Jiang Haipeng
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