Reducing replication lag with IO concurrency in Postgres 15
The Citus Data
NOVEMBER 10, 2022
Reducing replication lag with IO concurrency in Postgres 15. PostgreSQL 15 improves crash recovery and physical replication performance of some large and very busy databases by trying to minimise I/O stalls. A standby server might now have an easier time keeping up with the primary. Let’s walk through: Recovery prefetching in PostgreSQL 15.
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