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Literally anything. There is so much to do better. Faster I/O, kernel bypass and async filesystem, new persistent data-structures, alternative lock-free concurrency resolution schemes…

Disclaimer: I am highly biased, as I am funding/researching/developing a DBMS myself. Out of necessity though, as we constantly hit bottlenecks in the persistent I/O layer. We are not selling or offering anything, but will soon share some fresh internal results on aforementioned topics.

In the meantime, here is a list of startups re-implementing mostly identical ideas: https://unum.cloud/post/2021-12-31-dbms-startups/




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