On Sat, Jun 20, 2020 at 09:45:52AM +0530, Amit Kapila wrote: > On Sat, Jun 20, 2020 at 7:12 AM Alvaro Herrera <alvhe...@2ndquadrant.com> > wrote: >> I don't disagree with removing the LSN column, but at the same time we >> need to provide *some* way for users to monitor this, so let's add a >> function to extract the value they need for that. It seems simple >> enough. > > Isn't this information specific to checkpoints, so maybe better to > display in view pg_stat_bgwriter?
Not sure that's a good match. If we decide to expose that, a separate function returning a LSN based on the segment number from XLogGetLastRemovedSegno() sounds fine to me, like pg_wal_last_recycled_lsn(). Perhaps somebody has a better name in mind? -- Michael
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