From: Tom Lane <tgl@sss.pgh.pa.us>
To: Stephen Denne <Stephen.Denne@datamail.co.nz>
Cc: pgsql-performance@postgresql.org
Subject: Re: 8.3rc1 Out of memory when performing update
Date: Thu, 24 Jan 2008 21:31:14 -0500
Message-ID: <21675.1201228274@sss.pgh.pa.us> (raw)
In-Reply-To: <F0238EBA67824444BC1CB4700960CB480482B525@dmpeints002.isotach.com>
References: <F0238EBA67824444BC1CB4700960CB480482B525@dmpeints002.isotach.com>
"Stephen Denne" <Stephen.Denne@datamail.co.nz> writes:
> A simple update query, over roughly 17 million rows, populating a newly added column in a table, resulted in an out of memory error when the process memory usage reached 2GB. Could this be due to a poor choice of some configuration parameter, or is there a limit on how many rows I can update in a single statement?
Do you have any triggers or foreign keys on that table? For that
matter, let's see its whole schema definition.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, Stephen.Denne@datamail.co.nz
Subject: Re: 8.3rc1 Out of memory when performing update
In-Reply-To: <21675.1201228274@sss.pgh.pa.us>
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