On Thu, Mar 18, 2021 at 12:25:45PM +1300, Guy Burgess wrote: > FWIW, this looks the same issue I am getting (reported last month: > https://www.postgresql.org/message-id/f444a84e-2d29-55f9-51a6-a5dcea3bc253%40burgess.co.nz) Yep. > I get the same Process Monitor output, including BUFFER OVERFLOW entries. > No sign of any process other than postgres.exe touching the WAL files. Guy, do you have an environment where this is still happening and where you could test a potential fix? We are not sure yet what's causing that, but one code path has changed in this area, involving CreateHardLinkA()+_unlink() instead of a single rename when attempting to recycle a segment. And I am just in a mood to build things by myself and send some links to people to be able to download and test that, so one more is fine.. -- Michael
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