Re: Replication - Mailing list pgsql-general

From Dimitri Fontaine
Subject Re: Replication
Date
Msg-id m2bp673g78.fsf@2ndQuadrant.fr
Whole thread Raw
In response to Re: Replication  (Jonathan Tripathy <jonnyt@abpni.co.uk>)
List pgsql-general
Jonathan Tripathy <jonnyt@abpni.co.uk> writes:
> What is the difference between the "Hot-Standby" and "Warm-Standby"? Is the
> only different that the "Hot-Standby" standby servers are read-only, whereas
> the "Warm-Standby" standbys can't be queried at all?

That and the fact that running queries are not canceled at the time you
flick the switch to have your standby a master. The ongoing read-only
traffic is not affected. That's hot.

Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr     PostgreSQL : Expertise, Formation et Support

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