* feat(query): hyper log log counting in query engine In addition to helping with normal queries, this can improve the 'SHOW CARDINALITY' meta-queries: time influx -database mydb -execute 'select count_hll(sum_hll(_seriesKey)) from big' name: big time count_hll ---- --------- 0 200767781 influx -database mydb -execute 0.06s user 0.12s system 0% cpu 8:49.99 total |
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hll | ||
sketch.go |