Uber Engineering
@UberEng
Engineering @Uber, from practice to people.
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가입 June 2014
5.4K 팔로잉 중 71.1K 팬
How many unique users did Uber serve this quarter?
For mission-critical metrics, approximate wasn’t enough. We built a chunked aggregation buffer strategy for exact distinct counts at scale, cutting backfill time by 65% on average.
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