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Re: New FSM allocation policy

Subject: Re: New FSM allocation policy
From: Tom Lane
Date: Fri, 29 Aug 2008 12:09:39 -0400
Newsgroups: pgsql.hackers

Heikki Linnakangas <heikki.linnakangas@xxxxxxxxxxxxxxxx> writes:
> Tom Lane wrote:
>> There may
>> be no very good way to do that without maintaining some shared state,
>> ie the last page handed out.

> We could put an extra field on the FSM root page. Hmm, it doesn't 
> actually need to be a single global field, so we could have a field like 
> that on every FSM page, for better concurrency.

Yeah, that would work, and it is only a hint so you needn't WAL-log
changing it.

                        regards, tom lane

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