Insert benchmark: in-memory, low-concurrency, fast server

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This post explains the insert benchmark with an in-memory and low-concurrency workload for MyRocks, InnoDB and TokuDB. The goal is to understand throughput and efficiency for different storage engines and different versions of;dr - for an in-memory, low-concurrency workload MyRocks and InnoDB 5.6 have similar insert rates but InnoDB 5.6 has a better query rate. MyRocks index scans are slower than InnoDB 5.6: 1.23X slower for the PK and 2.15X slower for the secondary indexes. More CPU overhead is the cause. MyRocks is more space efficient. InnoDB uses ~1.6X more space than MyRocks. MyR...