RE: Proposed WAL changes

> -----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