Needs discussion of pg_xlog

From: robert(at)interactive(dot)co(dot)uk
To: pgsql-docs(at)postgresql(dot)org
Subject: Needs discussion of pg_xlog
Date: 2016-12-01 15:00:06
Message-ID: [email protected]
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The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/9.4/static/runtime-config-file-locations.html
Description:

In various places (e.g. stackoverflow), I've seen people suggest having
pg_xlog ion a different disk (i.e. not in /var/lib/pgsql/9.X/data).

The only mention of this that I've seen is in Section 29.5 (WAL Internals),
and that just says "it is advantageous...", with no explanation.

If this IS a good idea, then "Server Configuration / File Locations" is
where it should be discussed: in particular, why is it a good idea, and how
does it affect backups (and in particular base backups to a standby server).

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