Fine-grained locking for POSIX local sockets (UNIX domain sockets)

Attila Nagy bra at
Sat May 6 20:32:09 UTC 2006


On 2006. 05. 06. 16:16, Robert Watson wrote:
> In local measurements, I have observed a 0% change in MySQL performance 
> on uniprocessor systems, and on a dual-processor system I have observed 
> a 4%-5% performance improvement with two client MySQL threads.
Just a quick, nowhere correct test:

The machine is a quad core Xeon LV server, the client side is sysbench, 
accessing mysql 4.1.8 on a socket. Heap table, simple test.

Attila Nagy                                   e-mail: Attila.Nagy at
Free Software Network (FSN.HU)                 phone: +3630 306 6758

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