Re: DB logging (was: Problem with the numbers I reported yesterday)

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: ocie(at)paracel(dot)com
Cc: kgor(at)inetspace(dot)com, jwieck(at)debis(dot)com, boersenspiel(at)vocalweb(dot)de, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: DB logging (was: Problem with the numbers I reported yesterday)
Date: 1998-02-17 03:15:58
Message-ID: 199802170315.WAA17854@candle.pha.pa.us
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> What exactly do you mean by "raw devices" that it is not offered by
> Linux? If I take a partition of one of my hard drives and I don't
> make a filesystem on it, I can perform reads and writes on the "raw
> device" /dev/hd?? or /dev/sd?? I didn't think these writes were
> buffered (if that's what you're referring to), but I could be wrong.

Your /dev/hd* goes through the the buffer cache, the raw versions
/dev/rhd* does not.

--
Bruce Momjian
maillist(at)candle(dot)pha(dot)pa(dot)us

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