Horton

Re: Automatic free space map filling

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bernd Helmle <mailings@oopsware.de>
Cc: pgsql-hackers@postgresql.org, Peter Eisentraut <peter_e@gmx.net>
Date: 2006-03-02T15:18:38Z
Lists: pgsql-hackers 
Bernd Helmle <mailings@oopsware.de> writes:
> But couldn't such an opportunistic approach be used for 
> another lightweight VACUUM mode in such a way, that VACUUM could 
> look at a special "Hot Spot" queue, which represents potential 
> candidates for freeing?

The proposed dirty-page bit map seems a superior solution to that.

			regards, tom lane