When you use SQL Server profiler What s difference between Duration and CPU? I know by default both were shown as in MilliSeconds and CPU is amount of CPU time it took to run the query while duration is more like amount of time it took query to return any data.
Based on my understanding if there is any blocking etc. your CPU time could be less but duration could be higher.
任何人都能够产生更深刻的见解? 难以找到微妙的差别。
Duration can include wait time, I/O, data transfer time, etc. CPU is just the time the CPU spent. If your query is CPU-bound, it will be a lot closer than if it is I/O- or memory-bound.
邮联时间是请求/声明(取决于你重新监测的情况)在
总的来说,从>>worker_time)或cpu_time。
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