Amazon Redshift HyperLogLog Demo
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Опубликовано 18 декабря 2020, 23:46
Amazon Redshift can extract the cardinality directly from the stored HLLSKETCH values without accessing the underlying datasets. Use HLL sketches to achieve significant performance benefits for queries that compute approximate count distinct over massive history data sets.
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Leverage Amazon Redshift HyperLogLog to speedup GameAnalytics at -amzn.to/3alu5pH
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#AWS #AWSDemo #AmazonRedshift
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