| From: | Greg Stark <stark(at)mit(dot)edu> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Andres Freund <andres(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: Spreading full-page writes |
| Date: | 2014-05-26 18:26:07 |
| Message-ID: | CAM-w4HMmQqhhctGu4URMgkEPh6zt178JCz3MVJVbJoGvuU=Ayg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, May 26, 2014 at 1:22 PM, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com
> wrote:
> The second record is generated before the checkpoint is finished and the
> checkpoint record is written. So it will be there.
>
> (if you crash before the checkpoint is finished, the in-progress
> checkpoint is no good for recovery anyway, and won't be used)
>
Another idea would be to have separate checkpoints for each buffer
partition. You would have to start recovery from the oldest checkpoint of
any of the partitions.
--
greg
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