examine the visibility map (VM) and page-level visibility info
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| Package | pg_visibility |
|---|---|
| Version | 1.2 |
| PostgreSQL versions | 14 · 15 · 16 · 17 · 18 |
| Repository | PostgreSQL contrib |
| Extension type | Standard |
| Requires CREATE EXTENSION | Yes |
| Requires preload | No |
| Trusted | No |
| Latest commit | 2026-05-14 |
| Latest release | 2026-05-14 |
| Catalogue updated | 2026-07-29 |
| pageinspect | inspect the contents of database pages at a low level |
| toastinfo | show details on toasted datums |
| pagevis | Visualise database pages in ascii code |
| pg_freespacemap | examine the free space map (FSM) |
| pg_buffercache | examine the shared buffer cache |
| pgstattuple | show tuple-level statistics |
| pgrowlocks | show row-level locking information |
| pg_wait_sampling | sampling based statistics of wait events |
| pg_show_plans | show query plans of all currently running SQL statements |
| old_snapshot | utilities in support of old_snapshot_threshold |