Jeff Goldberg’s informative rant on why you shouldn’t rely on access statistics and hitcounters.
Jeff Goldberg内容丰富的演说告诉你为什么不应该过度依赖访问统计和计数器；
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Problem queries: These queries return only rows that exceed thresholds for important performance counters, for example, rows with buffer pool hit ratio lower than 90%.
问题查询：这些查询只返回超过重要性能计数器阈值的行，例如缓冲池命中率不到90%的行。
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When I came here, ittook a long time to adjust to kitchen counters that hit memid-thigh and couches that I have to crouch on rather that sit on.