[rabbitmq-discuss] Performance questions
Ashley van Gerven
ashley.ohq at gmail.com
Thu Apr 30 05:12:22 BST 2009
It's a 100Mbps network.
The messages are retrieved like this:
BasicGetResult result = ch.BasicGet("tempQ", false);
I'll try out your suggested alternate method of basic.consume.
Thanks for the info
On Thu, Apr 30, 2009 at 7:21 AM, Matthias Radestock <matthias at lshift.net>wrote:
> Ashley van Gerven wrote:
>> I'm fairly new to rabbitMQ - one of the tests I did was to read 1000
>> messages from rabbitMQ server running locally vs. reading 1000 messages from
>> another server (using .NET client).
>> Performance was approx 1000 per second connecting from the same server, vs
>> approx 200 p/s connecting from another server (single-node broker).
>> What would the bottleneck be here that's limiting the reads to 200 p/s? My
>> guess would be the network hardware.
> What network bandwidth do you have?
> And how exactly are you reading messages?
> Are there any tricks with setting up or connecting to minimise read times?
> Are you using basic.get? If so then the throughput will be determined by
> the network latency, since basic.get incurs a full network round-trip per
> message. To avoid that use basic.consume to set up asynchronous "push"
> delivery that streams messages to the client.
> And what sort of performance benefits can there usually be realized for
>> every node added to a cluster?
> That very much depends on your routing topology. At one extreme, if you
> have a single producer sending messages to a single consumer then adding
> nodes will not help at all. At the other extreme, if you have many disjoint
> streams then near-linear scalability is achievable.
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