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.

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