From: | "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> |
---|---|
To: | "Bruce Momjian" <maillist(at)candle(dot)pha(dot)pa(dot)us>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | "pgsql-hackers" <pgsql-hackers(at)postgreSQL(dot)org> |
Subject: | RE: [HACKERS] Recovery on incomplete write |
Date: | 1999-09-29 07:20:14 |
Message-ID: | 001001bf0a4b$12b46360$2801007e@cadzone.tpf.co.jp |
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Lists: | pgsql-hackers |
> -----Original Message-----
> From: Bruce Momjian [mailto:maillist(at)candle(dot)pha(dot)pa(dot)us]
> Sent: Tuesday, September 28, 1999 11:54 PM
> To: Tom Lane
> Cc: Hiroshi Inoue; pgsql-hackers
> Subject: Re: [HACKERS] Recovery on incomplete write
>
>
> > "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> writes:
> > > I have wondered that md.c handles incomplete block(page)s
> > > correctly.
> > > Am I mistaken ?
> >
> > I think you are right, and there may be some other trouble spots in that
> > file too. I remember thinking that the code depended heavily on never
> > having a partial block at the end of the file.
> >
> > But is it worth fixing? The only way I can see for the file length
> > to become funny is if we run out of disk space part way through writing
> > a page, which seems unlikely...
> >
>
> That is how he got started, the TODO item about running out of disk
> space causing corrupted databases. I think it needs a fix, if we can.
>
Maybe it isn't so difficult to fix.
I would provide a patch.
Regards.
Hiroshi Inoue
Inoue(at)tpf(dot)co(dot)jp
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