From: Tim Jones <TJones@optio.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: strange query behavior
Date: Wed, 13 Dec 2006 17:44:36 -0500
Message-ID: <47668A1334CDBF46927C1A0DFEB223D39F7AAC@mail.optiosoftware.com> (raw)
In-Reply-To: <12548.1166049409@sss.pgh.pa.us>
References: <47668A1334CDBF46927C1A0DFEB223D39F79A5@mail.optiosoftware.com>
<10648.1166037392@sss.pgh.pa.us>
<47668A1334CDBF46927C1A0DFEB223D39F79FA@mail.optiosoftware.com>
<12115.1166047135@sss.pgh.pa.us>
<47668A1334CDBF46927C1A0DFEB223D39F7A98@mail.optiosoftware.com>
<12548.1166049409@sss.pgh.pa.us>
Looks like 8.1.2
Tim Jones
Healthcare Project Manager
Optio Software, Inc.
(770) 576-3555
-----Original Message-----
From: Tom Lane [mailto:tgl@sss.pgh.pa.us]
Sent: Wednesday, December 13, 2006 5:37 PM
To: Tim Jones
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] strange query behavior
"Tim Jones" <TJones@optio.com> writes:
>> Which PG version is this exactly? Are you running with any
>> nondefault planner parameters?
> Version 8.1
8.1.what?
> Here are the planner constraints I believe we changed
> effective_cache_size and random_page_cost
Those look reasonably harmless.
My best bet at the moment is that you've got a pretty early 8.1.x
release and are hitting one of the planner bugs that we fixed earlier
this year. Not enough info to say for sure though.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: TJones@optio.com, tgl@sss.pgh.pa.us
Subject: Re: strange query behavior
In-Reply-To: <47668A1334CDBF46927C1A0DFEB223D39F7AAC@mail.optiosoftware.com>
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