Re: DO I miss something ? - Mailing list pgsql-performance

On 2016-11-18 14:52, Metatrader EA wrote:
> Hi,
>
> Do I miss something?
> Shouldn't I have some rows from this query ?
>
> Why is it empty?
>
> SELECT relname, idx_tup_fetch + seq_tup_read as TotalReads from
> pg_stat_all_tables
>  WHERE idx_tup_fetch + seq_tup_read != 0
>  order by TotalReads desc
>  LIMIT 10;
>  relname | totalreads
> ---------+------------
> (0 rows)
>
> //Bill


Is statistics collection enabled in the config?

See: https://www.postgresql.org/docs/9.5/static/monitoring-stats.html