Re: Is full_page_writes=off safe in conjunction with PITR?

From: Florian Weimer <fw(at)deneb(dot)enyo(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Is full_page_writes=off safe in conjunction with PITR?
Date: 2006-04-15 07:37:50
Message-ID: 878xq747ch.fsf@mid.deneb.enyo.de
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* Tom Lane:

> I think we had originally argued that there was no problem anyway
> because the kernel should cause the page write to appear atomic to other
> processes (since we issue it in a single write() command).

I doubt Linux makes any such guarantees. See this recent thread on
linux-kernel: <http://marc.theaimsgroup.com/?t=114489284200003>

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