From: PFC <lists@peufeu.com>
To: Christian Paul Cosinas <cpc@cybees.com>
To: pgsql-performance@postgresql.org
Subject: Re: Speed Up Offset and Limit Clause
Date: Sat, 27 May 2006 23:04:51 +0200
Message-ID: <op.s9oandtdcigqcu@nyuu> (raw)
In-Reply-To: <00e101c67997$6aa049f0$1e21100a@ghwk02002147>
References: <00e101c67997$6aa049f0$1e21100a@ghwk02002147>
> Thread 1 : gets offset 0 limit 5000
> Thread 2 : gets offset 5000 limit 5000
> Thread 3 : gets offset 10000 limit 5000
>
> Would there be any other faster way than what It thought?
Yeah, sure, use a thread which does the whole query (maybe using a
cursor) and fills a queue with the results, then N threads consuming from
that queue... it will work better.
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: lists@peufeu.com, cpc@cybees.com
Subject: Re: Speed Up Offset and Limit Clause
In-Reply-To: <op.s9oandtdcigqcu@nyuu>
* 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