Hello Song. On Wed, Apr 10, 2019 at 07:43:35PM +0000, Song Liu <songliubraving@xxxxxx> wrote: > The load level above is measured as requests-per-second. > > When there is no side workload, the system has about 45% busy CPU with > load level of 1.0; and about 75% busy CPU at load level of 1.5. > > The saturation starts before the system hitting 100% utilization. This is > true for many different resources: ALUs in SMT systems, cache lines, > memory bandwidths, etc. I have read through the thread continuation and it appears to me there is some misunderstanding on the latency metric (scheduler latency <= your latency <= request wall time?). Could you please describe how is the latency that you report defined and measured? Thanks, Michal
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