| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | mark(at)mark(dot)mielke(dot)cc |
| Cc: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Ron Mayer <rm_pg(at)cheapcomplexdevices(dot)com>, "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Compression and on-disk sorting |
| Date: | 2006-05-16 03:55:45 |
| Message-ID: | 200605160355.k4G3tjw21807@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
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| Lists: | pgsql-hackers |
mark(at)mark(dot)mielke(dot)cc wrote:
> The real question - and I believe Tom and others have correctly harped
> on it in the past is - is it worth it? Until somebody actually pulls
> up their sleeves, invests a month or more of their life to it, and
> does it, we really won't know. And even then, the cost of maintenance
> would have to be considered. Who is going to keep up-to-date on
> theoretical storage models? What happens when generic file system
> levels again surpass the first attempt?
>
> Personally, I believe it would be worth it - but only to a few. And
> these most of these few are likely using Oracle. So, no gain unless
> you can convince them to switch back... :-)
We do know that the benefit for commercial databases that use raw and
file system storage is that raw storage is only a few percentage
points faster.
--
Bruce Momjian http://candle.pha.pa.us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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