| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>, PostgreSQL Win32 port list <pgsql-hackers-win32(at)postgresql(dot)org> |
| Subject: | Re: [PATCHES] SRA Win32 sync() code |
| Date: | 2003-11-16 22:46:17 |
| Message-ID: | 15635.1069022777@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-hackers-win32 pgsql-patches |
Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
> Well, the bgwriter has basically the same chance the checkpointer has
> ... mdblindwrt() in the end, because he doesn't have the relcache handy.
We could easily get rid of mdblindwrt --- there is no very good reason
that we use the relcache for I/O. There could and should be a
lower-level notion of "open relation" that bgwriter and checkpoint
could use. See recent discussion with Neil, for example. Vadim had
always wanted to do that, IIRC.
regards, tom lane
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