On Wed, Mar 04, 2020 at 01:13:19PM +0900, Masahiko Sawada wrote: > Yeah, so 0001 patch sets existing wait events to recovery conflict > resolution. For instance, it sets (PG_WAIT_LOCK | LOCKTAG_TRANSACTION) > to the recovery conflict on a snapshot. 0003 patch improves these wait > events by adding the new type of wait event such as > WAIT_EVENT_RECOVERY_CONFLICT_SNAPSHOT. Therefore 0001 (and 0002) patch > is the fix for existing versions and 0003 patch is an improvement for > only PG13. Did you mean even 0001 patch doesn't fit for back-patching?
I got my eyes on this patch set. The full patch set is in my opinion just a set of improvements, and not bug fixes, so I would refrain from back-backpatching. -- Michael
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