Can we tweak pg_rewind to take differential backups in PostgreSQL?
I was wondering can we hack the pg_rewind code to print the details of the
file which have been modified compared to a target server.
The list output can then be used for taking differential backups.
Or perhaps we can add an option/switch in pg_rewind --action
--action=print ---> would print the files which have changed
--action=sync ---> would sync them
--action=copy ---> with this option I can specify an additional optino
--target-dir where I can copy the files which have changed blocks
pg_rewind-
https://github.com/vmware/pg_rewind
Best Regards,
*Sameer Kumar | Database Consultant*
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