Re: New trigger option of pg_standby

On Fri, 2009-05-15 at 03:49 +0900, Fujii Masao wrote:
> Hi,
>
> On Fri, May 15, 2009 at 12:36 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> >
> > On Wed, 2009-05-13 at 21:43 +0100, Simon Riggs wrote:
> >> On Wed, 2009-05-13 at 21:26 +0300, Heikki Linnakangas wrote:
> >>
> >> > This whole thing can be considered to be a new feature.
> >>
> >> recovery.conf will contain a new optional parameter:
> >>
> >> recovery_end_command (string)
> >
> > Implemented.
>
> > + ereport(signaled ? FATAL : WARNING,
> > + (errmsg("recovery_end_command \"%s\": return code %d",
> > + xlogRecoveryEndCmd, rc)));
>
> In fast failover case, pg_standby has to delete the trigger file immediately
> if it's found. Otherwise, recovery may go wrong as I already described.
> http://archives.postgresql.org/pgsql-hackers/2009-04/msg01139.php
>
> So, in fast mode, recovery_end_command would always fail to delete the
> trigger file, and cause warning. This is odd behavior, I think. We should
> change WARNING to DEBUG2 like RestoreArchivedFile() in the above code?

Using rm -f would avoid the WARNING.

I'd rather keep it at WARNING, since not sure what command I'll be
running and what a non-zero rc means.

--
Simon Riggs www.2ndQuadrant.com
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