[rabbitmq-discuss] Clustering & load balancing

Matthias Radestock matthias at rabbitmq.com
Fri Oct 8 16:53:23 BST 2010


On 08/10/10 16:50, Romain Conseil wrote:
> Following to my previous post (high CPU load due to 10kHz messages), I
> tested clustering on a single node with the help of the tutorial.
> Everything is set correctly, 3 instances (one disk, 2 ram) on my single
> machine. When I start the message flow, I can see that the exhcnages are
> shared trhough the 3 nodes but nevertheless the cpu load is not balanced
> on the 3 nodes but only one. When reading I have understood that
> clustering was different from the load balancing I expected. Then how
> could I configure such a behaviour ?

Do your publishers connect to different nodes? If they all connect to 
the same node then that load gets all the load.


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