On Sun, 2011-01-09 at 12:52 +0100, Magnus Hagander wrote:
> One thing I noticed is that it gives an interesting property to my
> patch for streaming base backups - they now show up in
> pg_stat_replication, with a streaming location of 0/0.
>
> If the view is named pg_stat_replication, we probably want to filter
> that out somehow. But then, do we want a separate view listing the
> walsenders that are busy sending base backups?
>
> For that matter, do we want an indication that separates a walsender
> not sending data from one sending that happens to be at location 0/0?
> Most will leave 0/0 really quickly, but a walsender can be idle (not
> received a command yet), or it can be running IDENTIFY_SYSTEM for
> example.
I think we need a status enum. ('BACKUP', 'CATCHUP', 'STREAM') for the 3
phases of replication.
--
Simon Riggs http://www.2ndQuadrant.com/books/
PostgreSQL Development, 24x7 Support, Training and Services
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