On Thu, Dec 1, 2016 at 10:17 PM, David G. Johnston < david.g.johns...@gmail.com> wrote:
> On Thu, Dec 1, 2016 at 7:59 PM, Jeff Janes <jeff.ja...@gmail.com> wrote: > >> On Thu, Dec 1, 2016 at 5:55 AM, Robert Inder <rob...@interactive.co.uk> >> wrote: >> >>> >>> I'd really like to read an explicit discussion of this in the official >>> documentation, rather than just glean what I can from answers to >>> questions. >>> >> >> The official documentation cannot have a dissertation on every >> combination of hardware, OS, file-system type, version of that file-system, >> and your usage pattern. That is inherently the realm of the wiki or the >> blogs. >> >> > The documentation has enough information at this level of detail that I > wouldn't object to adding commentary addressing the above should someone > take the time to write it. > > Given that the location of pg_xlog is not "configurable" placing such > commentary in Server Configuration would be a no-go, however. At a quick > glance a new section under "Server Setup and Operation - Creating a > Database Cluster" would probably be a better home. It already discusses > Secondary File Systems and in many ways this is just an extension of that > discussion. > > David J. > > >Given that the location of pg_xlog is not "configurable" Well, while the location of pg_xlog is not currently configurable, on Linux system the way to do it is to: 1. stop PostgreSQL 2. move the pg_xlog directory to a separate partition 3. create a symbolic link to point to the new partition 4. restart PostgreSQL -- *Melvin Davidson* I reserve the right to fantasize. Whether or not you wish to share my fantasy is entirely up to you.
