RE: MySQL Cluster nodes with firewall

On Thu, 2007-07-19 at 13:09 +0800, Joshua K. Käyhkö wrote:
> We haven't gone live yet, but during our stress testing where we made
> 500 and up to 1000 concurrent queries to the MySQL nodes and monitored
> the performance of both the MySQL and NDB nodes with ganglia, the 1GB
> NIC's traffic never got much above 10 Mbit/s.
>
> Now if I am overlooking something, such as a bottleneck formed by some
> configuration parameter, let me know? Perhaps the TCP buffer window
> should be increased on all involved servers or other similar
> parameter, or maybe the traffic just is low?

Application likely restricted by latency.... many more concurrent queries would be supported.

largely depends on the type of queries though.

-- 
Stewart Smith, Senior Software Engineer
MySQL AB, www.mysql.com
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