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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/09/04 00:11:52 UTC
[GitHub] [incubator-druid] himanshug commented on issue #8456: ingesting
with high cardinality dimension have low performance
himanshug commented on issue #8456: ingesting with high cardinality dimension have low performance
URL: https://github.com/apache/incubator-druid/issues/8456#issuecomment-527687191
what is `w` ins `w/s` ? and yes, partitioning by `hash(all dimensions)` might help improve roll up and performance in general .
slightly related: you might have done this already but it would be a good idea to consider why those dimensions really need to be dimensions and could you use sketches instead if you just wanted cardinality and histograms on those.
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