Vadim Yatsenko: DataMax: A Dedicated WAL Log-Store Node for Near-Synchronous Durability

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

Every durable database change in PolarDB passes through one place before it is safe: the write-ahead log. A replica is just a machine that stores that log and replays it. But how if a cluster need a pure copy of the WAL?

cloud

Sources

• T2Vadim Yatsenko: DataMax: A Dedicated WAL Log-Store Node for Near-Synchronous DurabilityPlanet PostgreSQL25 Oct, 11:15