There is another side to MyRocks/RocksDB Story - Compression
With a lot higher compression than possible with Innodb MyRocks can be in memory (File Cache) when Innodb workloads are already IO bound. Plus you can save a lot on disk storage (and IO if you're paying for it)
With a lot higher compression than possible with Innodb MyRocks can be in memory (File Cache) when Innodb workloads are already IO bound. Plus you can save a lot on disk storage (and IO if you're paying for it)