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by sgarland
997 days ago
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> In that world, just having the IDs approximately clustered in creation order has been a huge performance boost for many queries, and we've seen significant reduction in postgres Write Ahead Log rates, because writes to UID indexes happen in a smaller number of pages. Thank you. I’m so tired of seeing the same groupthink on UUIDv4 trotted out - “it only matters if you have a clustered index, Postgres is immune!” The hell it is. |
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