| From: | Ole Gjerde <gjerde(at)icebox(dot)org> |
|---|---|
| To: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> |
| Cc: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | RE: [HACKERS] Open 6.5 items |
| Date: | 1999-06-07 17:25:46 |
| Message-ID: | Pine.LNX.4.05.9906071223020.31034-100000@snowman.icebox.org |
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| Thread: | |
| Lists: | pgsql-hackers |
On Wed, 2 Jun 1999, Hiroshi Inoue wrote:
> I made a patch on trial.
> 1) Useless segments are never removed by my implementation
> because I call FileTruncate() instead of File(Name)Unlink().
> I'm not sure that this patch has no problem.
> Please check and comment on my patch.
I have tried it, and it seems to work.
> As Ole Gjerde mentioned,current implementation by his old
> patch is not right. His new patch seems right if vacuum is
> executed alone.
Yes, my first patch was horribly wrong :)
The second one, as you mention, only works right if no reading or writing
is going on.
I'll talk more about the new patch in later emails.
Ole Gjerde
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