Re: PostgreSQL 9.6 Temporary files

2018-03-19 17:45 GMT+01:00 Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>:

> 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'));

>
>> 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(dot)klaver(at)aklaver(dot)com
>