Re: Prototype: In-place upgrade v02

Gregory Stark wrote:
> Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
>> Relation forks didn't change anything inside relation files, so no scanning of
>> relations is required because of that. Neither will the FSM rewrite. Not sure
>> about DSM yet.
> 
> And just to confirm -- they don't change the name of the files the postmaster
> expects to find in its data directory, right?

Right. But it wouldn't be a big issue anyway. Renaming would be quick 
regardless of the relation sizes, FSM and DSM will introduce new files, 
though, that probably need to be created as part of the upgrade, but 
again they're not very big.

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