XID wraparound
RU: XID wraparound
PostgreSQL transaction ids are 32-bit and eventually wrap; if old rows are not frozen by VACUUM before ~2 billion transactions pass, they can look future-dated and vanish — a hard correctness limit.
RU: XID wraparound
PostgreSQL transaction ids are 32-bit and eventually wrap; if old rows are not frozen by VACUUM before ~2 billion transactions pass, they can look future-dated and vanish — a hard correctness limit.