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From: Heikki Linnakangas on 20 Jun 2010 13:39
On 20/06/10 13:56, Simon Riggs wrote:
> I notice that if I vacuum a 1 row table I get a FSM that is 24576 bytes
> in size, or 3 database blocks.
>
> Why is it not 1 block, or better still 0 blocks for such a small table?

It was just less code to write and test that way. The FSM tree is always
constant height, three levels, to keep things simple.

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

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