Re: inconvenient compression options in pg_basebackup

On tor, 2011-05-26 at 16:54 -0400, Tom Lane wrote:
> But if you want to take such an extension into account right now,
> maybe we ought to design that feature now.  What are you seeing it as
> looking like?
> 
> My thought is that "-z" should just mean "give me compression; a good
> default compression setting is fine".  "-Zn" could mean "I want gzip
> with exactly this compression level" (thus making the presence or
> absence of -z moot).  If you want to specify some other compression
> method altogether, use something like --lzma=N.  It seems unlikely to
> me that somebody who wants to override the default compression method
> wouldn't want to pick the settings for it too. 

I think of pg_basebackup as analogous to tar.  tar has a bunch of
options to set a compression method (-Z, -z, -j, -J), but no support for
setting compression specific options.  So in that sense that contradicts
your suspicion.