On Mon, 2010-10-04 at 12:45 -0700, Josh Berkus wrote:
> >>> Quorum commit, even with configurable vote weights, can't handle a
> >>> requirement that a particular commit be replicated to (A || B) && (C
> >>> || D).
> >> Good point.

Asking for quorum_commit = 3 would cover that requirement.

Not exactly as requested, but in a way that is both simpler to express
and requires no changes to configuration after failover. ISTM better to
have a single parameter than 5 separate configuration files, with
behaviour that the community would not easily be able to validate.

> If this is the only feature which standby registration is needed for,
> has anyone written the code for it yet?  Is anyone planning to?

(Not me)

> If not, it seems like standby registration is not *required* for 9.1.  I
> still tend to think it would be nice to have from a DBA perspective, but
> we should separate required from "nice to have".

Agreed.

-- 
 Simon Riggs           www.2ndQuadrant.com
 PostgreSQL Development, 24x7 Support, Training and Services


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