Hello!
I’ve noticed that some changes concerning replacement of archive_command by archive_library in the documentation for PostgreSQL 15 do not quite fit in:
1. https://www.postgresql.org/docs/15/continuous-archiving.html
Archiving of these files happens automatically since you have already configured <varname>archive_library</varname>. - what about using archive_command? Should it be "...since you have already configured <varname>archive_library</varname> or <varname>archive_command</varname>"?
2. The same page.
If the archive process has fallen behind because of failures of the archive library, it will keep retrying until the archive succeeds and the backup is complete. - again, what about archive command?
3. https://www.postgresql.org/docs/15/app-pgbasebackup.html
All WAL records required for the backup must contain sufficient full-page writes, which requires you to enable full_page_writes on the primary and not to use a tool in your archive_library to remove full-page writes from WAL files. - the same question here. I believe that we can write in general: and not to use a tool to remove full-page writes from WAL files (?).
I have prepared a small patch with possible changes of these places, and also a separate patch with some improvements concerning missed/inapt tags. Please have a look.
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