On Thu, Oct 29, 2020 at 3:24 PM PG Doc comments form <nore...@postgresql.org> wrote:
> The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/13/runtime-config-resource.html > Description: > > > https://www.postgresql.org/docs/13/runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER > > says: > > "There is a separate server process called the background writer, whose > function is to issue writes of “dirty” (new or modified) shared buffers. It > writes shared buffers so server processes handling user queries seldom or > never need to wait for a write to occur." > > It's not clear what "wait for a write to occur" means: a write() syscall or > an fsync() syscall? > Probably neither...think more abstract/general. David J.
