Hi Tom, On Tue, Apr 7, 2026 at 10:08 AM Tom Lane <[email protected]> wrote: > > I wrote: > > I wondered why my buildfarm animals got noticeably slower today. > > There seem to be a couple of culprits, but one of them is that > > 7e8aeb9e4 (Use WAIT FOR LSN) has caused the runtime of pg_rewind's > > t/003_extrafiles.pl to go through the roof. On indri's host, that > > TAP test took about 3 seconds immediately before that commit, and > > about 45 seconds immediately after. > > I'm wrong: there's only one culprit. The other big change in runtime > today is that src/test/recovery's t/033_replay_tsp_drops.pl went from > about 4 seconds to about 46, and that jump also happened at 7e8aeb9e4. > So we still have a mystery, but it's "what do those two tests have in > common that is shared by no others?". > > regards, tom lane
Thanks for reporting this. I think it could be related to the read of not-yet-updated writtenUpto position. I'll look into this and propose a fix shortly. -- Best, Xuneng
