| From: | "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | RE: Proposed WAL changes |
| Date: | 2001-03-06 14:55:35 |
| Message-ID: | EKEJJICOHDIEMGPNIFIJCEHIDMAA.Inoue@tpf.co.jp |
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| Lists: | pgsql-hackers |
> -----Original Message-----
> From: Tom Lane
>
> I have just sent to the pgsql-patches list a rather large set of
> proposed diffs for the WAL code. These changes:
>
> * Store two past checkpoint locations, not just one, in pg_control.
> On startup, we fall back to the older checkpoint if the newer one
> is unreadable. Also, a physical copy of the newest checkpoint record
> is kept in pg_control for possible use in disaster recovery (ie,
> complete loss of pg_xlog). Also add a version number for pg_control
> itself. Remove archdir from pg_control; it ought to be a GUC
> parameter, not a special case (not that it's implemented yet anyway).
>
Is archdir really a GUC parameter ?
Regards,
Hiroshi Inoue
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