Holtgrewe, Manuel wrote: > Switching off fsync leads to a drastic time improvement but still > higher wall-clock time for four threads. Don't do that unless you are ready to start from scratch with a new "initdb" in the case of a crash. You can do almost as good by setting "synchronous_commit = off", and that is crash-safe. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com