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Re: Heavy write activity on first vacuum of fresh TOAST data - Mailing list pgsql-performance

From Kevin Grittner
Subject Re: Heavy write activity on first vacuum of fresh TOAST data
Date
Msg-id 47614D86.EE98.0025.0@wicourts.gov
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In response to Re: Heavy write activity on first vacuum of fresh TOAST data  (Simon Riggs <simon@2ndquadrant.com>)
Responses Re: Heavy write activity on first vacuum of fresh TOAST data
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>>> On Thu, Dec 13, 2007 at 12:12 PM, in message
<1197569564.4255.1855.camel@ebony.site>, Simon Riggs <simon@2ndquadrant.com>
wrote:
> On Thu, 2007-12-13 at 11:46 -0600, Kevin Grittner wrote:
>> If the hint bit changes are written to the WAL ...
>
> They're not.

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

What impact would lack of the hint bits have until a vacuum?

-Kevin

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