On Mon, Mar 11, 2024 at 04:09:27PM +0530, Amit Kapila wrote: > I don't see how it will be easier for the user to choose the default > value of 'max_slot_xid_age' compared to 'max_slot_wal_keep_size'. But, > I agree similar to 'max_slot_wal_keep_size', 'max_slot_xid_age' can be > another parameter to allow vacuum to proceed removing the rows which > otherwise it wouldn't have been as those would be required by some > slot.
Yeah, the idea is to help prevent transaction ID wraparound, so I would expect max_slot_xid_age to ordinarily be set relatively high, i.e., 1.5B+. -- Nathan Bossart Amazon Web Services: https://aws.amazon.com
