From: | Ioannis Anagnostopoulos <ioannis(at)anatec(dot)com> |
---|---|
To: | Claudio Freire <klaussfreire(at)gmail(dot)com> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: A very long running query.... |
Date: | 2012-07-20 21:27:31 |
Message-ID: | 5009CD43.8000300@anatec.com |
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Thread: | |
Lists: | pgsql-novice pgsql-performance |
On 20/07/2012 22:23, Claudio Freire wrote:
> 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?
I have run analyse every so often. I think the problem is that as I get
16K new rows every minutes, the "stats" are always out... Possible?
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