docs/source-postgres: Add discussion of WAL retention

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docs/source-postgres: Add discussion of WAL retention #1449

Closed willdonnelly closed 2 months ago

willdonnelly commented 2 months ago

Description:

Adds a section to the source-postgres docs discussing replication slot confirmed_flush_lsn vs restart_lsn, what happens if the slot stops advancing due to capture downtime or long-running transactions, how the max_slot_wal_keep_size setting can be used to protect a production database from running out of disk space, and what the potential downsides are of doing that.

This change is

github-actions[bot] commented 2 months ago

PR Preview Action v1.4.7 :---: Preview removed because the pull request was closed. 2024-04-30 19:44 UTC