| From: | Aidan Van Dyk <aidan(at)highrise(dot)ca> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, david(at)fetter(dot)org, stark(at)mit(dot)edu, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: 16-bit page checksums for 9.2 |
| Date: | 2012-01-06 23:49:04 |
| Message-ID: | CAC_2qU-2WWz+3LL6TDUmrYW0pnEJ=Fw=Vm_U85RoUD_H9ugNkQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Jan 6, 2012 at 6:48 PM, Aidan Van Dyk <aidan(at)highrise(dot)ca> wrote:
> I think I've said it before, but I'm guessing OLTP style database
> rarely have pages written that are dirty that aren't covered by real
> changes (so have the FPW anyways) and OLAP type generally freeze after
> loads to avoid the hint-bit-write penalty too...
But ya, again, I've never measured ;-)
--
Aidan Van Dyk Create like a god,
aidan(at)highrise(dot)ca command like a king,
http://www.highrise.ca/ work like a slave.
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