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by geenat
1752 days ago
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Cockroach DB recently addressed hotspots on sequence/timestamp workloads with: 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. |
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