On Thu, Sep 29, 2016 at 3:20 PM, Thomas Munro <thomas.mu...@enterprisedb.com > wrote:
> On Fri, Sep 30, 2016 at 8:17 AM, Kevin Grittner <kgri...@gmail.com> wrote: > > On Thu, Sep 29, 2016 at 2:06 PM, Melvin Davidson <melvin6...@gmail.com> > wrote: > > > >> I am using PostgreSQL 9.4.0 (Yes, I know 9.4.9 is most recent but > >> it's out of my control) > > > > As long as the decision-maker is aware that 9.4.0 has known bugs > > (fixed in later minor releases) that can render the database > > unusable without warning... > > > >> How is it possible for the WAL file to be accessed BEFORE it was > >> created? > > > > Perhaps renaming it counts as "creation" without affecting access > > time. > > Apparently some filesystems change the ctime for rename and others > don't, and POSIX tolerates both. > > -- > Thomas Munro > http://www.enterprisedb.com > >Apparently some filesystems change the ctime for rename and others >don't, and POSIX tolerates both. OK, thanks. Back to the future! :D -- *Melvin Davidson* I reserve the right to fantasize. Whether or not you wish to share my fantasy is entirely up to you.