Re: finding unused indexes?

check out pg_stat_user_indexes, you will need to turn on the stats collection in your postgresql.conf file first.

Jim

---------- Original Message -----------
From: "George Pavlov" <gpavlov(at)mynewplace(dot)com>
To: <pgsql-sql(at)postgresql(dot)org>
Sent: Tue, 1 Aug 2006 09:05:34 -0700
Subject: [SQL] finding unused indexes?

> Anybody have a clever way to quickly find whether there are any unused
> indexes in a PG DB? One way I have done is to take queries from the DB
> log, prepend an explain to each and grep the results, but I am wondering
> if there are either any index usage stats maintained somewhere inside
> Postgres or if there is a slicker/less cumbersome way of doing it. Also
> indexes used by functions are hard to simulate that way.
>
> George
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
------- End of Original Message -------