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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2018/11/16 22:12:18 UTC
[GitHub] jon-wei opened a new pull request #6638: Fixed buckets histogram
aggregator
jon-wei opened a new pull request #6638: Fixed buckets histogram aggregator
URL: https://github.com/apache/incubator-druid/pull/6638
This PR adds a new aggregator type that provides fixed buckets histograms (divide a range into a number of evenly-sized buckets with fixed boundaries).
The fixed buckets histogram supports the min, max, and quantile post-aggregators.
Some benchmark results comparing add performance for the approx/sketch/fixed aggs are available here:
https://gist.github.com/jon-wei/a6c718498b56e66bc1672ced96c778d0
Some benchmark results for serde/merge/quantile performance are available here:
https://gist.github.com/jon-wei/765eb28055b24644a6e94dbfe331a055
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