fx19880617 opened a new pull request #5163: Optimization for selection only queries: Allow early termination URL: https://github.com/apache/incubator-pinot/pull/5163 In Pinot CombineOpearator, queries are scheduled with at most 10 threads. For tables with many segments(say 10k), it means each thread will process 1k segments. For selection only queries (e.g. select * from myTable limit 10), each thread may collect enough results to return after scan a few segments. There is no means to wait and scan all the segments. This is extremely useful for people want to randomly browse a big table from query console clicks.
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