Re: pg_start_backup and pg_stop_backup Re: Re: [COMMITTERS] pgsql: Make CheckRequiredParameterValues() depend upon correct

Robert Haas wrote:
> On Fri, Apr 30, 2010 at 12:22 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> > Tom Lane wrote:
> >> Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
> >> > Tom Lane wrote:
> >> >> If you aren't archiving then there's no guarantee that you'll still have
> >> >> a continuous WAL series starting from the start of the backup.
> >>
> >> > I wasn't really thinking of this use case, but you could set
> >> > wal_keep_segments "high enough".
> >>
> >> Ah. ?Okay, that seems like a workable approach, at least for people with
> >> reasonably predictable WAL loads. ?We could certainly improve on it
> >> later to make it more bulletproof, but it's usable now --- if we relax
> >> the error checks.
> >>
> >> (wal_keep_segments can be changed without restarting, right?)
> >
> > Should we allow -1 to mean "keep all segments"?
>
> If that's what you want to do, use archive_mode.

Uh, I assume that will require me to store the WAL files somewhere else,
rather than keeping them in /pg_xlog, which I thought was the goal. Am
I missing something?

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com