Vadim Yatsenko: Commit Sequence Number (CSN) MVCC: Lock-Free Snapshot Acquisition

T2Covered by 1 source · first reported by Planet PostgreSQL at 25 Oct, 11:15 UTC

Every time PostgreSQL decides whether a row is visible to your query, it asks the same question: was the transaction that wrote this row already committed when my snapshot was taken?

businesscloud

Sources

• T2Vadim Yatsenko: Commit Sequence Number (CSN) MVCC: Lock-Free Snapshot AcquisitionPlanet PostgreSQL25 Oct, 11:15