Nope, Other commenter noted it: https://www.postgresql.org/docs/current/runtime-config-wal.html#GUC-COMMIT-DELAY https://www.postgresql.org/docs/current/runtim

Nope, Other commenter noted it: https://www.postgresql.org/docs/current/runtime-config-wal.html#GUC-COMMIT-DELAY https://www.postgresql.org/docs/current/runtime-config-wal.h... Don't use synchronous_commit = off is durability ~= 0 (i.e. "I hope the write made it to disk")