Fix QPS calculation #618
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Fix QPS calculation #618
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Current QPS calculation is incorrect. In case of single thread best_search_time is debatable in the calculation, but it is wrong when requests run in parallel (batch mode). Also, total wall time measured by the benchmark is inaccurate, because it includes time spent on forking (if applicable), connecting to the database, and opening sessions. It is better to allow algorithms to measure pure wall time spent running queries.