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Re: Streaming replication, retrying from archive

Simon Riggs <simon@2ndquadrant.com>

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From: Simon Riggs <simon@2ndQuadrant.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Dimitri Fontaine <dfontaine@hi-media.com>, Fujii Masao <masao.fujii@gmail.com>, Magnus Hagander <magnus@hagander.net>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-01-20T23:32:11Z
Lists: pgsql-hackers 
On Wed, 2010-01-20 at 21:26 +0200, Heikki Linnakangas wrote:

> So there's just two states:
> 
> 1. Recovering from archive
> 2. Streaming
> 
> We start from 1, and switch state at error.
> 
> This gives nice behavior from a user point of view. Standby tries to
> make progress using either the archive or streaming, whichever becomes
> available first.

Sounds good. Easier to drive if we have two gears.

-- 
 Simon Riggs           www.2ndQuadrant.com