Re: log messages for archive recovery progress

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>
To: Satoshi Nagayasu <snaga@uptime.jp>
Cc: Euler Taveira de Oliveira <euler@timbira.com>, pgsql-hackers@postgresql.org
Date: 2012-01-11T14:01:46Z
Lists: pgsql-hackers
On Wed, Jan 11, 2012 at 1:54 PM, Satoshi Nagayasu <snaga@uptime.jp> wrote:

> However, I'm a bit afraid that it will confuse DBA if we use
> "restored" under the pg_xlog replay context, because we have
> already used "restored" that means a WAL file as successfully
> "copied" (not "replayed") from archive directory into pg_xlog
> directory under the archive recovery context.
>
> So, to determine the status of copying WAL files from
> archive directory, I think we can use "restored", or
> "could not restore" on failure.
>
> And to determine the status of replaying WAL files
> in pg_xlog directory (even if a WAL is copied from archive),
> we have to use "recover" or "replay".

Agreed. I can change "restored" to "using", so we have two message types

LOG:  restored log file "000000080000000000000047" from archive
LOG:  using pre-existing log file "000000080000000000000047" from pg_xlog

-- 
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services