| From: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> |
|---|---|
| To: | Alex Turner <armtuk(at)gmail(dot)com> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Kevin Brown <kevin(at)sysexperts(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: How to improve db performance with $7K? |
| Date: | 2005-04-18 22:56:21 |
| Message-ID: | 20050418225621.GC28733@dcc.uchile.cl |
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| Lists: | pgsql-performance |
On Mon, Apr 18, 2005 at 06:49:44PM -0400, Alex Turner wrote:
> Does it really matter at which end of the cable the queueing is done
> (Assuming both ends know as much about drive geometry etc..)?
That is a pretty strong assumption, isn't it? Also you seem to be
assuming that the controller<->disk protocol (some internal, unknown to
mere mortals, mechanism) is equally powerful than the host<->controller
(SATA, SCSI, etc).
I'm lost whether this thread is about what is possible with current,
in-market technology, or about what could in theory be possible [if you
were to design "open source" disk controllers and disks.]
--
Alvaro Herrera (<alvherre[(at)]dcc(dot)uchile(dot)cl>)
"La fuerza no está en los medios físicos
sino que reside en una voluntad indomable" (Gandhi)
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