| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM> |
| Cc: | "'Zeugswetter Andreas'" <andreas(dot)zeugswetter(at)telecom(dot)at>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Berkeley DB... |
| Date: | 2000-05-26 23:41:44 |
| Message-ID: | 200005262341.TAA02198@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
[ Charset ISO-8859-1 unsupported, converting... ]
> > > Well, I've dropped index but INSERTs still take 70 sec and
> > > COPY just 1sec -:(((
> >
> > Well, for those that have fsync turned off we could actually
> > avoid most of the writes, could'nt we ? Just leave the page
> > marked dirty. We would only need to write each new page once.
> > The problem as I see it is, that we don't have a good place
> > where the writes would actually be done. Now they are obviously
> > done after each insert.
>
> I've run test without fsync and with all inserts in *single*
> transaction - there should be no write after each insert...
Watch out. I think Vadim is settled into San Franciso and is getting
fired up again... :-)
--
Bruce Momjian | http://www.op.net/~candle
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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