Re: Heavy write activity on first vacuum of fresh TOAST data

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Heavy write activity on first vacuum of fresh TOAST data
Date: 2007-12-14 16:07:41
Message-ID: 476255EC.EE98.0025.0@wicourts.gov
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

>>> On Thu, Dec 13, 2007 at 3:40 PM, in message
<1197582010(dot)4255(dot)1912(dot)camel(at)ebony(dot)site>, Simon Riggs <simon(at)2ndquadrant(dot)com>
wrote:
> On Thu, 2007-12-13 at 15:19 -0600, Kevin Grittner wrote:

>> So one would expect a write-intensive initial vacuum after a
>> PITR-style recovery?

> An interesting issue when running with full_page_writes off.

I'm curious. How does the full_page_writes setting affect this?

-Kevin

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Bill Moran 2007-12-14 16:18:49 Re: viewing source code
Previous Message Matthew 2007-12-14 15:42:33 Re: Heavy write activity on first vacuum of fresh TOASTa