> > Hi, Hackers! > >> Hi! Here is updated version of the patch, based on Alexander's ver16. >> > I'd like to add a few quick notes on what's been done in v17. > > Patches 0001 and 0002 that are planned to be committed to PG15 are almost > unchanged with the exception of one unnecessary cast in 0002 removed. > > We've also addressed several issues in patch 0005 (which is planned for > PG16): > - The bug with frozen xids after pg_upgrade, reported by Justin [1] > - Added proper processing of double xmax pages in > HeapPageSetPruneXidInternal() > - Fixed xids comparison. Initially in the patch it was changed to simple < > <= => > for 64 bit values. Now v17 patch has returned this to the way > similar to what is used in STABLE for 32-bit xids, but using modulus-64 > numeric ring. The main goal of this change was to fix SRLU tests that were > mentioned > by Alexander to have been disabled. We've fixed and enabled most of them, > but some of them are still need to be fixed and enabled. > > Also, we've pgindent-ed all the patches. > > As patches that are planned to be delivered to PG15 are almost unchanged, > I completely agree with Alexander's plan to consider these patches (0001 > and 0002) as RfC. > > All activity, improvement, review, etc. related to the whole patchset is > also very much appreciated. Big thanks to Alexander for working on the > patch set! > > [1] > https://www.postgresql.org/message-id/20220115063925.GS14051%40telsasoft.com > Also, the patch v17 (0005) returns SLRU_PAGES_PER_SEGMENT to the previous value of 32.
-- Best regards, Pavel Borisov Postgres Professional: http://postgrespro.com <http://www.postgrespro.com>
