From: | "Brett W(dot) McCoy" <bmccoy(at)chapelperilous(dot)net> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: full-text indexing |
Date: | 2000-04-19 03:21:31 |
Message-ID: | Pine.LNX.4.10.10004182320520.8997-100000@chapelperilous.net |
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Lists: | pgsql-general |
On Tue, 18 Apr 2000, Bruce Momjian wrote:
> > I agree! The last bit of advice given in the full text README. As I
> > said, I'd built full-text stuff for experimentation (I had maybe 30k of
> > raw text, which amounted to several 100,000 indexed entries), and I had
> > clustered it, and it was pretty darn fast, even on a Pentium 233 with only
> > 48 megs of RAM. I have significantly better hardware to run it on now.
> > The original project called MySQL, but it just didn't have what we needed
> > to put something like this together.
>
> With the original author, testing was fast, but when he loaded all the
> data, it got very slow. The problem was that as soon as his data
> exceeded the buffer cache, performance became terrible.
How much data are we talking here? How can one get around this buffer
cache problem?
Brett W. McCoy
http://www.chapelperilous.net
---------------------------------------------------------------------------
Twenty two thousand days.
Twenty two thousand days.
It's not a lot.
It's all you've got.
Twenty two thousand days.
-- Moody Blues, "Twenty Two Thousand Days"
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