On Thu, Sep 22, 2016 at 2:23 PM, Sylvain Marechal
<marechal.sylva...@gmail.com> wrote:
> is there a way to monitor the size of the pg_xlog directory in SQL? The goal
> is to monitor the pg_xlog file without ressorting to a 'du' like solution
> that needs a direct access to the machine.

Well AFAIK SQL doesn't even have the concept of a directory (
functions callable from SQL provide it, but SQL is for databases &
AMOF you can have a perfectly valid SQL db without disks ), so I
assume you want some way to get at the machine disk usage without
opening a shell on it, from a db client. You could try one of the
functions in


and many of the untrusted programming languages for postgres functions
( plperl, plpython, etc ) has methods of calling stat in the server.

Francisco Olarte.

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