For one our project I needed proxy solution, and mysql-proxy is one of well-known, so it was logical first choice. The obvious question which come in mind is what performance penalty we have using mysql-proxy, version 0.7.1.
So it is easy to test. (By the way sysbench recently was pushed to Launchpad, see lp:sysbench, and Percona is going to be active developer of this project and scripting benchmarks).
I took lp:sysbench with LUA script oltp_complex_ro, and tested for couple connections, here are results (in transactions per second, more is better)
ok, and let’s look on response time (for 1 thread).
approx. 95 percentile: 1.56ms
approx. 95 percentile: 4.30ms
Well, I expected some penalty of using proxy… but 2-3x times, that’s overkill. Worth to consider if you want to run Query Analyzer with MySQL-proxy on your MySQL Enterprise setup.
There is alternative – Dormando-proxy, which I want to try also, but the problem is it crashed under sysbench load, so I was not able to get any results yet.
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