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Re:Benchmark results: Cassandra 4.0, 3.11, Scylla 4.4 [video] by fennecfoxen on Monday September 27, 2021 @01:33PM (#28673623)
To put it in slightly more detail, it's a two-level data structure with two keys, a Dict[SortedList[Any]], to use Python type syntax. The top level key is also the sharding key.
Re:Benchmark results: Cassandra 4.0, 3.11, Scylla 4.4 [video] by jjirsa on Tuesday September 28, 2021 @02:17AM (#28679834)
Modern Cassandra is more like Dict[SortedList[Row]], where the row is basically a SQL row just like you’d expect in any SQL database