Re: WORM and Read Only Tables (v0.1)
От | Peter Childs |
---|---|
Тема | Re: WORM and Read Only Tables (v0.1) |
Дата | |
Msg-id | a2de01dd0712110554y35282ee9s1e864c3f594e129b@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: WORM and Read Only Tables (v0.1) (Csaba Nagy <nagy@ecircle-ag.com>) |
Список | pgsql-hackers |
On 11/12/2007, Csaba Nagy <nagy@ecircle-ag.com> wrote:
On Tue, 2007-12-11 at 14:58 +0200, Hannu Krosing wrote:
> Ühel kenal päeval, T, 2007-12-11 kell 13:44, kirjutas Csaba Nagy:
> >> Then put the active chunk on a high performance file system and the
> > archive tablespace on a compressed/slow/cheap file system and you're
> > done. Allow even the archive chunk to be updateable, and put new tuple
> > data in the active chunk. It would work just fine for cases where the
> > old data is rarely updated/deleted...
>
> You can't update a table on a read-only (write-once) partition, at least
> not with current header structure.
OK, but that's what I'm challenging, why do you need a write once
partition ? You mean by that tapes ? OK, it means I was thinking in
completely different usage scenarios then...
Cheers,
Csaba.
I think DVD or CD would make sence, Tapes have an added limitation of being sequential access only.
Peter Childs
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