From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com> |
Cc: | Martijn van Oosterhout <kleptog(at)svana(dot)org>, Hannu Krosing <hannu(at)skype(dot)net>, Zeugswetter Andreas DCP SD <ZeugswetterA(at)spardat(dot)at>, Greg Stark <gsstark(at)mit(dot)edu>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Rod Taylor <pg(at)rbt(dot)ca>, "Bort, Paul" <pbort(at)tmwsystems(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Compression and on-disk sorting |
Date: | 2006-05-19 22:15:26 |
Message-ID: | 4483.1148076926@sss.pgh.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
"Jim C. Nasby" <jnasby(at)pervasive(dot)com> writes:
> True random data wouldn't be such a great test either; what would
> probably be best is a set of random words, since in real life you're
> unlikely to have truely random data.
True random data would provide worst-case compression behavior, so
we'd want to try that to find out what the downside is; but we shouldn't
consider it to be the design center.
regards, tom lane
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2006-05-19 22:18:36 | Re: text_position worst case runtime |
Previous Message | Joshua D. Drake | 2006-05-19 22:11:56 | Re: [OT] MySQL is bad, but THIS bad? |