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pg_waldump: added page (#18764)

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Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>
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Anirban-Chand
2025-10-19 00:00:02 +05:30
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pages/common/pg_waldump.md
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# pg_waldump
> Display a human-readable rendering of the write-ahead log (WAL).
> More information: <https://www.postgresql.org/docs/current/pgwaldump.html>.
- Basic invocation reading a WAL segment (or range):
`pg_waldump {{start_segment}} {{end_segment}}`
- Specify the WAL file directory:
`pg_waldump {{start_segment}} {{end_segment}} {{[-p|--path]}} {{path}}`
- Start from a particular WAL location (LSN):
`pg_waldump {{start_segment}} {{end_segment}} {{[-s|--start]}} {{lsn}}`
- Stop at a particular WAL location (LSN):
`pg_waldump {{start_segment}} {{end_segment}} {{[-e|--end]}} {{lsn}}`
- Follow new WAL entries as they arrive:
`pg_waldump {{start_segment}} {{end_segment}} {{[-f|--follow]}}`
- Limit number of records shown:
`pg_waldump {{start_segment}} {{end_segment}} {{[-n|--limit]}} {{count}}`
- Quiet mode (suppress output except errors):
`pg_waldump {{start_segment}} {{end_segment}} {{[-q|--quiet]}}`
- Filter by resource manager:
`pg_waldump {{start_segment}} {{end_segment}} {{[-r|--rmgr]}} {{rmgr_name}}`