On Mon, Mar 19, 2018 at 12:45 PM, Adrian Klaver <adrian.kla...@aklaver.com> 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? > > >> Could you tell me what are those temporary files and where are they at? >> Can I delete some of them? >> >> All values come from pgAdmin 4 and checked by my own SQL >> queries(postgresql-9.6). >> > > Can you show actual queries used? > > I already run vacuum full and there is few dead tuples. >> >> Best regards, >> Jimmy AUGUSTINE >> > > > -- > Adrian Klaver > adrian.kla...@aklaver.com > > > 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. *I am not sure what your query was that deteremined table and index sizes, but try using the query instead.* *Note that total_size is the size of the table and all it's indexes.* *SELECT n.nspname as schema, c.relname as table, a.rolname as owner, c.relfilenode as filename, c.reltuples::bigint, pg_size_pretty(pg_relation_size(quote_ident(n.nspname) || '.' || quote_ident(c.relname) )) as size, pg_size_pretty(pg_total_relation_size(quote_ident(n.nspname) || '.' || quote_ident(c.relname) )) as total_size, pg_relation_size(quote_ident(n.nspname) || '.' || quote_ident(c.relname) ) as size_bytes, pg_total_relation_size(quote_ident(n.nspname) || '.' || quote_ident(c.relname) ) as total_size_bytes, CASE WHEN c.reltablespace = 0 THEN 'pg_default' ELSE (SELECT t.spcname FROM pg_tablespace t WHERE (t.oid = c.reltablespace) ) END as tablespaceFROM pg_class c JOIN pg_namespace n ON (n.oid = c.relnamespace) JOIN pg_authid a ON ( a.oid = c.relowner ) WHERE quote_ident(nspname) NOT LIKE 'pg_%' AND quote_ident(relname) NOT LIKE 'pg_%' AND quote_ident(relname) NOT LIKE 'information%' AND quote_ident(relname) NOT LIKE 'sql_%' AND quote_ident(relkind) IN ('r')ORDER BY total_size_bytes DESC, 1, 2;-- * *Melvin DavidsonMaj. Database & Exploration SpecialistUniverse Exploration Command – UXCEmployment by invitation only!*