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Using MySQL as a NoSQL – 750,000 qps on a commodity server

The highest throughput was as follows:

                           approx qps     server CPU util
MySQL via SQL                105,000      %us 60%  %sy 28%
memcached                    420,000      %us  8%  %sy 88%
MySQL via HandlerSocket      750,000      %us 45%  %sy 53%