Re: Free Space Map thoughts
| От | Alvaro Herrera |
|---|---|
| Тема | Re: Free Space Map thoughts |
| Дата | |
| Msg-id | 20071109005013.GC2764@alvh.no-ip.org обсуждение |
| Ответ на | Re: Free Space Map thoughts (Simon Riggs <simon@2ndquadrant.com>) |
| Ответы |
Re: Free Space Map thoughts
Re: Free Space Map thoughts |
| Список | pgsql-hackers |
Simon Riggs wrote: > Presumably we would not store an FSM for small tables? On the basis that > the purpose of the FSM is to save on pointless I/O there must be a size > of table below which an FSM is just overhead. Hmm, do you mean that we would open and verify every page of a small relation until we find one with free space? That doesn't sound very good. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.
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