Why Analytic Workloads are faster on Columnar Databases?


In this post I will briefly summarize why analytic (OLAP) workloads perform better on columnar (aka column-oriented) databases as opposed to traditional row-based (aka row-oriented) databases. Introduction Storage Organization Vectorized Query Execution CPU Cache Friendly Late Materialization Compression Introduction Analytic workloads comprise of operations like scans, joins, aggregations etc. These operations are concerned with data... Continue Reading →

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