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Re: BUG #7521: Cannot disable WAL log while using pg_dump - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #7521: Cannot disable WAL log while using pg_dump
Date
Msg-id 26118.1346962987@sss.pgh.pa.us
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In response to Re: BUG #7521: Cannot disable WAL log while using pg_dump  (Heikki Linnakangas <hlinnaka@iki.fi>)
Responses Re: BUG #7521: Cannot disable WAL log while using pg_dump  (Robert Haas <robertmhaas@gmail.com>)
Re: BUG #7521: Cannot disable WAL log while using pg_dump  (Alvaro Herrera <alvherre@2ndquadrant.com>)
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Heikki Linnakangas <hlinnaka@iki.fi> writes:
> On 06.09.2012 13:07, Robert Haas wrote:
>> On Thu, Sep 6, 2012 at 3:55 PM, Tom Lane<tgl@sss.pgh.pa.us>  wrote:
>>> Doesn't hint-bit setting cause WAL traffic these days?

>> I sure as heck don't think so.

> It does not. HOT page pruning does, however. It could be that..

Sorry, I was thinking of the freeze case, which is also somewhat
unlikely --- but if it were happening, it could easily happen on
most/all pages of a table.

            regards, tom lane

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