| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Jeff Davis <pgsql(at)j-davis(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Enabling Checksums |
| Date: | 2013-01-27 17:04:34 |
| Message-ID: | CA+TgmoYvtsJq=JvacxJcAMzWJ2wY=qg+5OG=DnFQoH_TOx_YJQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Jan 27, 2013 at 3:50 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> If we attempted to defer the FPI last thing before write, we'd need to
> cope with the case that writes at checkpoint occur after the logical
> start of the checkpoint, and also with the overhead of additional
> writes at checkpoint time.
Oh, good point. That's surely a good reason not to do it that way.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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