Every PostgreSQL connection since 8.0 has heard the server announce `integer_datetimes`—a parameter that's had only one possible value since PostgreSQL 10.
Discover how `in_hot_standby` lets clients automatically detect whether they're connected to a primary or standby—and why the timing of that notification…
When a standby refuses to replay WAL that references pages that don't exist, `ignore_invalid_pages` converts the PANIC into a WARNING—but only as a last resort…
PostgreSQL's JIT compiler trades upfront compilation time for faster query execution—but it silently does nothing if the LLVM library isn't installed.
Choose your I/O execution engine with `io_method` and size the worker pool with `io_workers`—and yes, you can resize workers without restarting.
PostgreSQL 18's new io_max_concurrency caps per-process I/O operations in flight.
PostgreSQL 17 introduced read streams that combine adjacent disk blocks into larger I/O requests.
IntervalStyle changes how PostgreSQL parses interval input, not just formats output—and in one case, it silently flips the sign of your data.
Every PostgreSQL connection since 8.0 has heard the server announce `integer_datetimes`—a parameter that's had only one possible value since PostgreSQL 10.
Discover how `in_hot_standby` lets clients automatically detect whether they're connected to a primary or standby—and why the timing of that notification…
Recover from catalog index corruption by sequentially scanning system tables instead of using indexes.
When a standby refuses to replay WAL that references pages that don't exist, `ignore_invalid_pages` converts the PANIC into a WARNING—but only as a last resort…
When data checksums catch corruption, restore from backup or fail over—unless you have neither.