pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Craig James <craig_james@emolecules.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Sort causes system to freeze
Date: Tue, 02 Dec 2008 05:34:13 -0500
Message-ID: <13978.1228214053@sss.pgh.pa.us> (raw)
In-Reply-To: <4934CC58.1050309@emolecules.com>
References: <b72893ad0811252007h33cf477dx54d5468705facaaa@mail.gmail.com>
	<8763maouy9.fsf@oxford.xeocode.com>
	<b72893ad0811270925n2ea1a586ked1d3c1fdaf8dba8@mail.gmail.com>
	<4934CC58.1050309@emolecules.com>

Craig James <craig_james@emolecules.com> writes:
> Maybe this is an obviously dumb thing to do, but it looked reasonable
> to me.  The problem is, the seemingly simple sort below causes a
> fairly powerful computer to completely freeze for 5-10 minutes.

trace_sort output might be informative.

			regards, tom lane



view thread (5+ messages)  latest in thread

Message-ID: <13978.1228214053@sss.pgh.pa.us>
Permalink:  ../13978.1228214053@sss.pgh.pa.us/
Also on:    postgresql.org/message-id/13978.1228214053@sss.pgh.pa.us

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: tgl@sss.pgh.pa.us, craig_james@emolecules.com
  Subject: Re: Sort causes system to freeze
  In-Reply-To: <13978.1228214053@sss.pgh.pa.us>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox