49 results for "PostgreSQL"
This specific error means PostgreSQL has hit its max_connections limit for regular users, but is deliberately still reserving a small number of slots...
Plain depends_on in Docker Compose only guarantees a dependency container has started — not that the actual service inside it (like PostgreSQL) is finished...
Data that seems to vanish after recreating a container almost always means the data was never actually stored in a persistent, correctly-referenced volume in...
A column that clearly exists but produces a "does not exist" error almost always comes down to PostgreSQL's specific case-folding rules for unquoted...
A slow COUNT(*) on a large PostgreSQL table isn't a missing-index problem in the usual sense — it's a fundamental consequence of how PostgreSQL's MVCC...
A standard index on a text column doesn't get used when you wrap that column in LOWER() or UPPER() in a query, because a regular index is built on the raw...
A systemd service that starts fine manually but fails specifically during boot almost always means it's starting before something it actually depends on is...
Most pg_dump and pg_restore failures come down to a small set of recurring causes — version mismatches between the tools and the server, missing permissions on...
PostgreSQL refuses to drop a database that has any active connections to it, as a safety measure — the error is expected behavior, not a bug, and the fix is...