clintropolis commented on issue #8578: parallel broker merges on fork join pool URL: https://github.com/apache/incubator-druid/pull/8578#issuecomment-548611095 >Thank you for the detailed benchmark results! It looks great but I wonder how the default configuration works under more realistic load. For example, it would be more realistic if there are like 80% of light queries and 20% of heavy queries that have a shorter delay and a larger delay, respectively. This sounds good. I think i went a bit hard on this PR in the benchmarks I have presented so far in terms of targeting the worst cases which aren't super realistic, which I think maybe looks a lot scarier than a typical heavy load will appear practice. The existing worst case benchmarks are basically depicting what happens if a bunch of moderate to large result set sized queries _all happen simultaneously_ and even more _all simultaneously have work to do instead of some of them blocking waiting for input_, I'l throw together another benchmark to try and plot out a more realistic heavy load case to see how that looks.
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