On Fri, Jul 20, 2012 at 6:19 PM, Ioannis Anagnostopoulos <ioannis@xxxxxxxxxx> wrote: > " -> Nested Loop (cost=0.00..20942.93 rows=53 width=144) (actual > time=62.174..17783236.718 rows=387105 loops=1)" > " Join Filter: (feed_all_y2012m07.message_copies.msg_id = > feed_all_y2012m07.ship_pos_messages.msg_id)" > " -> Append (cost=0.00..19057.93 rows=53 width=33) (actual > time=62.124..5486473.545 rows=387524 loops=1)" Misestimated row counts... did you try running an analyze, or upping statistic targets? -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
