On Fri, Oct 14, 2016 at 11:27 PM, Albe Laurenz <laurenz.a...@wien.gv.at> wrote:
> After a successful commit, the WAL file and its metadata are on disk.
> Moreover, the file metadata won't change (except for the write and access
> timestamps) because WAL files are created with their full size and never
> extended, so no WAL file should ever get "lost" because of partial metadata
This behavior depends as well on the value of wal_sync_method. For
example with fdatasync the metadata is not flushed. It does not matter
any for for WAL segments as Albe has already mentioned, but the choice
here impacts performance.
Sent via pgsql-general mailing list (email@example.com)
To make changes to your subscription: