Re: rmgr hooks (v2) - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: rmgr hooks (v2)
Date
Msg-id 49774F8A.4060802@enterprisedb.com
Whole thread Raw
In response to Re: rmgr hooks (v2)  (Simon Riggs <simon@2ndQuadrant.com>)
Responses Re: rmgr hooks (v2)  (Simon Riggs <simon@2ndQuadrant.com>)
Re: rmgr hooks (v2)  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
Simon Riggs wrote:
> So you *must* replay catalog entries and recreate the original catalog
> in exact synchronisation with reading WAL files. Recreating the catalog
> can only be done by Postgres itself.

The startup process doesn't have a relcache, so this rmgr patch is 
nowhere near enough to enable that. If I understood correctly, the hot 
standby patch doesn't change that either.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com


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