Ivan's Blog

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et plus personne plus rien..	and nobody, nothing more…
qu'est-ce que c'est que ces gens-là	what’s with those people
qui ne sont pas foutus	who can’t even
de compter jusqu'à vingt?	count up to twenty?

Jacques Prevert


I did a quick test with the last version on the same testbed environment that I used for my previous blog and here is my finding.
MySQL 5.4 worked as I expected with sysbench. Performance up to 32 threads are basically the same of my build, but whilst 64 concurrent threads show a degradation in performance of the standard build and my build, with 5.4 they increase significantly, showing a pretty linear scalability - see table and graph.

Threads	5.1.33-Std	5.1.33-IZ	5.4
1	28.63	31.28	28.63
2	58.15	60.21	58.57
4	93.56	108.14	96.57
8	170.46	179.59	166.93
16	286.28	307.78	271.09
32	352.90	400.14	392.68
64	307.62	366.04	576.55
128	222.49	266.61	247.96

I would not recommend to go for 5.4 yet, but the results are extremely promising.