Phoenix Kiula escribió:
> >> ----------------------------------------------------------------------------------------------------------------
> >> Index Scan using new_idx_books_userid on books (cost=0.00..493427.14
> >> rows=2 width=31) (actual time=0.428..8400.299 rows=1 loops=1)
> >> Index Cond: ((user_id)::text = 'MYUSER'::text)
> >> Filter: (url_encrypted = 'bed59c2f2d92e306d4481a276bd8a78c4b0532d4'::bpchar)
> >> Total runtime: 8400.349 ms
> >> (4 rows)
> >
> > 8.4 seconds is a very long time to spend looking up a single record.
> > Is this table bloated? What does
> >
> > vacuum verbose books;
> Thanks but this table "books" has autovac on, and it's manually
> vacuumed every hour!
Perhaps try reindexing it. What kind of index is new_idx_books_userid
anyway? btree?
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
