Cockroach DB recently addressed hotspots on sequence/timestamp workloads with: https://www.cockroachlabs.com/blog/hash-sharded-indexes-unlock-linear-scaling-for

Cockroach DB recently addressed hotspots on sequence/timestamp workloads with: https://www.cockroachlabs.com/blog/hash-sharded-indexes-unlock-linear-scaling-for-sequential-workloads/ https://www.cockroachlabs.com/blog/hash-sharded-indexes-unlo... Does what it says on the tin for the primary key. That said, hotspots are 100% the reason why Cockroach encourages UUID primary keys. The disadvantage to UUID is you want sequential data, you then need a secondary index which you'll have to bucket anyway.