Estimating search capacity based on search thread count and average query time

Hi. Is it valid to get a rough estimate of the search capacity of my cluster using the following calculation?

qps = nodes * threads/node * average qps / thread?

For example, if an average query of mine takes 100ms, and i have 3 nodes, each with 49 search threads, my total qps would be approximately 10 * 49 * 3 = 1470 qps.

Is this at all a reasonable way to do this estimation?


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