Re: How to make a REALLY FAST db server?

From: Tomaz Borstnar <tomaz(dot)borstnar(at)over(dot)net>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: How to make a REALLY FAST db server?
Date: 2001-12-06 01:12:15
Message-ID: 5.1.0.14.0.20011206000958.02b2c548@mail.over.net
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At 18:35 27.9.2001, Bruce Momjian wrote the following message:
>Well, SCSI with tagged queueing allows you to send multiple disk
>requests to the drive and the drive orders them to be optimal. Only the
>drive knows there the head it at a given moment so it seems good to push
>such optimizations into the disk drive.

IBM Deskstar drives DPTA and DLTA and new IC35 all have tagged queuing.
FreeBSD supports that and the results are impressive - lower CPU usage and
faster disks.

----
Tomaz Borstnar <tomaz(dot)borstnar(at)over(dot)net>
"Love is the answer to the final question you ask" - Unknown

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