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@leventov can you trim this down to only your commit? if we need to merge the druid-io branch into the 0.9.2-mmx one that should be ok to do |
…ry granularity / interval is coarser than data (i. e. segment) interval, that is typical for topN queries (BACKEND-319)
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@drcrallen done |
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However, I think such a performance change, if we are not 100% sure this is a positive change (in this case I'm not sure), shouldn't be merged and tested until we have really precise and stable instruments (perf metrics) to measure impact, because otherwise making such changes in the hope it will improve performance is just wandering in the fog. We don't have such metrics yet. I'm working on this. |
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@leventov sorry, I made a mistake in 0.9.2-mmx and had to rewrite history (I pushed something there I shouldn't have), please rebase. Again, sorry about that |
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Druid tests are run and passed.
It also pulls some commits from druid upstream, happened after last checkout into 0.9.2-mmx branch.