On Wed, 18 Jan 2017 19:27:40 -0300
Alvaro Herrera <alvhe...@2ndquadrant.com> wrote:

> Karl O. Pinc wrote:
> 
> > @@ -511,10 +519,16 @@ int
> >  SysLogger_Start(void)
> >  {
> >     pid_t           sysloggerPid;
> > -   char       *filename;
> >  
> > +   /*
> > +    * Logging collector is not enabled. We don't know where
> > messages are
> > +    * logged.  Remove outdated file holding the current log
> > filenames.
> > +    */
> >     if (!Logging_collector)
> > +   {
> > +           unlink(LOG_METAINFO_DATAFILE);
> >             return 0;
> > +   }  
> 
> I thought this part was odd -- I mean, why is SysLogger_Start() being
> called if the collector is not enabled?  Turns out we do it and return
> early if not enabled.  But not in all cases -- there is one callsite
> in postmaster.c that avoids the call if the collector is disabled.
> That needs to be changed if we want this to work reliably.

Is this an argument for having the current_logfiles always exist
and be empty when there is no in-filesystem logfile?  It always felt
to me that the code would be simpler that way.

Karl <k...@meme.com>
Free Software:  "You don't pay back, you pay forward."
                 -- Robert A. Heinlein


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