On Thu, Apr 6, 2017 at 7:04 PM, Michael Harris <har...@gmail.com> wrote:
> Hello, > > Back in pg 9.2, we hacked a copy of pg_basebackup to add a command > line option which would allow the user to specify an arbitrary > external program (potentially including arguments) to be used to > compress the tar backup. > > Our motivation was to be able to use pigz (parallel gzip > implementation) to speed up the compression. It also allows using > tools like bzip2, xz, etc instead of the inbuilt zlib. > > I never ended up submitting that upstream, but now it looks like I > will have to repeat the exercise for 9.6, so I was wondering if such a > feature would be welcomed. > I would welcome it. I would really like to be able to use parallel pigz and pxz. You can stream the data into a compression tool of your choice as long as you use tar mode and specify '-D -', but that is incompatible with table spaces, and with xlog streaming, and so is not a very good solution. Cheers, Jeff
