2018-03-19 18:25 GMT+01:00 Andreas Kretschmer <andr...@a-kretschmer.de>:
> On 19 March 2018 18:21:42 CET, Jimmy Augustine <jimmy.august...@enyx.fr> > wrote: > >2018-03-19 18:15 GMT+01:00 Adrian Klaver <adrian.kla...@aklaver.com>: > > > >> On 03/19/2018 10:12 AM, Jimmy Augustine wrote: > >> > >> > >>> On 03/19/2018 09:31 AM, Jimmy Augustine wrote: > >>> > >>> Dear Friends, > >>> > >>> I am newbie to postgresql. > >>> I have 162 GB on my database but when I check size > >of all > >>> tables, I approximately obtain 80 GB. > >>> I also see that I have 68GB of temporary files > >however > >>> I only > >>> found 2.4MB at postgres/data/base/pgsql_tmp. > >>> > >>> > >>> Exactly how did you determine this? > >>> > >>> I used this command and sum result for all database : > >>> SELECT pg_size_pretty(pg_total_relation_size('table_name')); > >>> > >>> And this for complete database : > >>> SELECT pg_size_pretty(pg_database_size('Database Name')); > >>> > >>> > >>> So where did the 68GB number for temporary files come from? > >>> > >>> I don't measure this value by my own. I was disappointed by the gap > >>> between the two queries, so I checked pgAdmin 4 and I saw this > >value. > >>> > >> > >> In what section of pgAdmin4? > >> > >In section "Statistics" when I click on my database. > > > >Or do you know what query it used? > >> > >I have found this but not sure > > > >SELECT temp_files AS "Temporary files" > > , temp_bytes AS "Size of temporary files"FROM pg_stat_database db; > > > That's aggregated. Not current values. > Ah did you know some documentation about that ? > Andreas > > > -- > 2ndQuadrant - The PostgreSQL Support Company >