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Re: Reducing Transaction Start/End Contention

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Reducing Transaction Start/End Contention
Date: 2007-07-31 15:34:15
Message-ID: 20070731153415.GI5103@alvh.no-ip.org (view raw or flat)
Thread:
Lists: pgsql-hackers
Simon Riggs wrote:

> 1. Increase size of Clog-specific BLCKSZ

> 2. Perform ExtendClog() as a background activity

> (1) and (2) can be patched fairly easily for 8.3. I have a prototype
> patch for (1) on the shelf already from 6 months ago.

Hmm, I think (1) may be 8.3 material but all the rest are complex enough
that being left for 8.4 is called for.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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Subject: Re: Quick idea for reducing VACUUM contention
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