Re: Renaming of pg_xlog and pg_clog

On Fri, Oct 14, 2016 at 07:19:02PM +0200, Christoph Berg wrote:
> Re: Stephen Frost 2016-10-14 <20161014113523.GZ13284@tamriel.snowman.net>
> > > We have a tool called pg_xlogdump in the standard installation.  initdb
> > > has an option --xlogdir, pg_basebackup has --xlog and others.  Renaming
> > > the xlog directory would make this all a bit confusing, unless we're
> > > prepared to rename the programs and options as well.
> > 
> > pg_xlogdump is not a user-facing tool, frankly, so I don't believe we
> > should be terribly concerned about either leaving it named as-is or
> > renaming it.  I agree that we should consider adding alternative names
> > to the options for initdb and pg_basebackup.
> 
> There's actually another instance of "rename so people shoot their
> feet less often" here: pg_resetxlog, which is a user-facing tool.
> Folks on #postgresql have repeatedly been joking that it should rather
> be named pg_eatmydata, given the number of "howtos" on the web that
> make use of it. Maybe this is the chance to find a less
> innocent-sounding name. (Or add a mandatory --rewind-my-data switch.)

I wonder how many of the uses of pg_resetxlog were caused by mistakenly
removing the pg_xlog directory.   My point is renaming pg_xlog might
reduce mistake use of pg_resetxlog.

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  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

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