| From: | "Dominic J(dot) Eidson" <sauron(at)the-infinite(dot)org> |
|---|---|
| To: | "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM> |
| Cc: | "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: RE: xlog checkpoint depends on sync() ... seems unsafe |
| Date: | 2001-03-13 04:57:21 |
| Message-ID: | Pine.LNX.4.21.0103122251410.15847-100000@morannon.the-infinite.org |
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| Lists: | pgsql-hackers |
On Mon, 12 Mar 2001, Mikheev, Vadim wrote:
> to re-write smgr. I don't know how useful is second sync() call, but
> on Solaris (and I believe on many other *NIXes) rc0 calls it
> three times, -:) Why?
The idea is, that by the time the last sync has run, the first sync will
be done flushing the buffers to disk. - this is what we were told by the
IBM engineers when I worked tier-2/3 AIX support at IBM.
--
Dominic J. Eidson
"Baruk Khazad! Khazad ai-menu!" - Gimli
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