Re: Is there a way to check which indexes are being used

On fim, 2006-02-23 at 14:15 +0100, Dragan Matic wrote:
> We have a 50 GB database (currently using postgresql 8.1.1) with a few
> hundred tables. There are a few larger (2-5 million rows) tables with
> multiple indexes on them, some being unique, some not. Now, I am pretty
> sure some of the indexes are pretty useless and are never used but is
> there a way to see which indexes have been used on a table (and how many
> times) and which haven't? Statistics is turned on for a database, I can
> see number of sequential scans and index scans for instance, but I would
> like to know which indexes have been used and how many times.

select * from pg_stat_user_indexes ;


> Tnx in advance
>
> Dragan Matic
>
>
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