mikemccand commented on issue #815: LUCENE-8213: Introduce Asynchronous Caching in LRUQueryCache URL: https://github.com/apache/lucene-solr/pull/815#issuecomment-529974000 > > It should be enough to report the stats after the last iteration - it is cumulative, so the previous ones just add noise? I agree QPS looks pretty noisy, probably no real change. > > I dont think thats true, since each run is its own JVM? It is true -- `luceneutil` runs multiple JVMs to try to sample the noise due to hotspot mis-compilation, and then each iteration in reports the cumulative results of all prior iterations so far. So reporting the last result is good.
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