On 2023-May-07, Thomas Munro wrote: > Did you previously run this same workload on versions < 15 and never > see any problem? 15 gained a new feature CREATE DATABASE ... > STRATEGY=WAL_LOG, which is also the default. I wonder if there is a > bug somewhere near that, though I have no specific idea. If you > explicitly added STRATEGY=FILE_COPY to your CREATE DATABASE commands, > you'll get the traditional behaviour. Maybe it would be sensible to make STRATEGY_FILE=FILE_COPY the default again, for branch 15, before today's release. -- Álvaro Herrera Breisgau, Deutschland — https://www.EnterpriseDB.com/ "Doing what he did amounts to sticking his fingers under the hood of the implementation; if he gets his fingers burnt, it's his problem." (Tom Lane)