Thank you all, I thought there may be a specific posgresql stored procedure that did the work of enumerating the files of the pg_xlog directory to get its full size, or may be one that gave the full size of the server databases including pg_xlog. Nevermind, this does the work.
Regards, Sylvain 2016-09-22 16:05 GMT+02:00 hubert depesz lubaczewski <dep...@depesz.com>: > On Thu, Sep 22, 2016 at 02:23:20PM +0200, Sylvain Marechal wrote: > > is there a way to monitor the size of the pg_xlog directory in SQL? The > > Assuming you have superuser privileges, it will most likely work: > > select sum( (f).size ) from (select pg_stat_file('pg_xlog/' || pg_ls_dir) > as f from pg_ls_dir('pg_xlog/')) x where not (f).isdir; > > Best regards, > > depesz > >