From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
---|---|
To: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
Cc: | Robert Inder <robert(at)interactive(dot)co(dot)uk>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Moving pg_xlog |
Date: | 2016-12-02 03:17:22 |
Message-ID: | CAKFQuwZijq1759cjd3ddK9AP5bwHd5r8XitruBFfiPp4Nw1qXw@mail.gmail.com |
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Lists: | pgsql-general |
On Thu, Dec 1, 2016 at 7:59 PM, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
> On Thu, Dec 1, 2016 at 5:55 AM, Robert Inder <robert(at)interactive(dot)co(dot)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.
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