Re: SCSI vs. IDE performance test
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Martijn van Oosterhout <kleptog@svana.org>
Cc: Rick Gigger <rick@alpinenetworking.com>, pgsql-general@postgresql.org
Date: 2003-10-28T05:44:45Z
Lists: pgsql-general
Martijn van Oosterhout <kleptog@svana.org> writes: > Well, some googleing around seems to indicate that Serial ATA I/ATA-6 has > Tagged Command Queueing (TCQ) which is adding this feature specifically. > Whether it is a mandatory part of the spec I don't know. Yeah? If so, and *if fully implemented* on both sides of the interface, this would eliminate the architectural advantages I was just sketching for SCSI. I can't claim to be up on what's happening in the IDE/ATA world though... regards, tom lane