leerho commented on issue #7187: Improve topN algorithm URL: https://github.com/apache/incubator-druid/issues/7187#issuecomment-471140229 @gianm Where in this process is the "pre-aggregation" performed? Where in this process is the "post-aggregation" performed? And by "aggregation", I presume that means, for example, two identical items (each of weight 1) will be replaced by one of the items with a weight of 2. Is that correct? I think you may still have a problem, but I can't prove it yet :)
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