From: | Claudio Freire <klaussfreire(at)gmail(dot)com> |
---|---|
To: | Ioannis Anagnostopoulos <ioannis(at)anatec(dot)com> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: A very long running query.... |
Date: | 2012-07-20 21:23:52 |
Message-ID: | CAGTBQpa07PMrLA3qsM9Zf9QXcPvgntyVX7qL9CqEwQtK9LH1hA@mail.gmail.com |
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Lists: | pgsql-novice pgsql-performance |
On Fri, Jul 20, 2012 at 6:19 PM, Ioannis Anagnostopoulos
<ioannis(at)anatec(dot)com> 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?
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