| From: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
|---|---|
| To: | "Jeff Davis" <pgsql(at)j-davis(dot)com> |
| Cc: | "Bruce Momjian" <bruce(at)momjian(dot)us>, "Gregory Stark" <stark(at)enterprisedb(dot)com>, "Josh Berkus" <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
| Subject: | Re: COMMIT NOWAIT Performance Option |
| Date: | 2007-02-28 20:37:11 |
| Message-ID: | 36e682920702281237g287c564ck59f8f825998e01c3@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 2/28/07, Jeff Davis <pgsql(at)j-davis(dot)com> wrote:
> I'm not saying there's no cost, but the extra recovery cost seems lower
> to me than the CRC cost on every data page read during operation.
I agree, I just think it should be configurable.
> Also, if we find an error, do we even have the ability to correct it? A
> CRC doesn't tell us which pages were written and which weren't, so we
> could detect the error but not correct it, right?
Correct.
--
Jonah H. Harris, Software Architect | phone: 732.331.1324
EnterpriseDB Corporation | fax: 732.331.1301
33 Wood Ave S, 3rd Floor | jharris(at)enterprisedb(dot)com
Iselin, New Jersey 08830 | http://www.enterprisedb.com/
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