| From: | Hannu Krosing <hannu(at)tm(dot)ee> |
|---|---|
| To: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>, "'Zeugswetter Andreas SB'" <ZeugswetterA(at)wien(dot)spardat(dot)at>, The Hermit Hacker <scrappy(at)hub(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Plans for solving the VACUUM problem |
| Date: | 2001-05-23 10:11:49 |
| Message-ID: | 3B0B8CE5.1D85B52D@tm.ee |
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| Lists: | pgsql-hackers |
Hiroshi Inoue wrote:
>
> People also have referred to an overwriting smgr easily.
I am all for an overwriting smgr, but as a feature that can be selected
on a table-by table basis (or at least in compile time), not as an
overall change
> Please tell me how to introduce an overwriting smgr
> without UNDO.
I would much more like a dead-space-reusing smgr on top of MVCC which
does
not touch live transactions.
------------------
Hannu
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