On 2014-11-01 14:13:02 -0400, Andrew Dunstan wrote:
> Yes, although there might not be much reason to use them either. I think
> Tom's first step of making hash indexes automatically unlogged makes sense.
> Longer term I'd like to see unlogged as an option for all AMs - especially
> btree.
If we implement unlogged indexes, it should definitely work for all
builtin indexes.
> It makes plenty of sense to me to be able to make the data resilient
> even if the indexes, which can after all be recreated in the unlikely event
> of a crash, are not.
While I agree that it can be useful, I think the fact that replicas/HS
can't use such index makes them far less useful.
Greetings,
Andres Freund
-- Andres Freund http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services
