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Re: B-Heaps

From: Matthew Wakeling <matthew(at)flymine(dot)org>
To: Eliot Gable <egable+pgsql-performance(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: B-Heaps
Date: 2010-06-15 12:23:43
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
On Mon, 14 Jun 2010, Eliot Gable wrote:
> Just curious if this would apply to PostgreSQL:

Absolutely, and I said in
but applied to the Postgres B-tree indexes instead of heaps. It's a pretty 
obvious performance improvement really - the principle is that when you do 
have to fetch a page from a slower medium, you may as well make it count 
for a lot.

Lots of research has already been done on this - the paper linked above is 
rather behind the times.

However, AFAIK, Postgres has not implemented this in any of its indexing 


 An ant doesn't have a lot of processing power available to it. I'm not trying
 to be speciesist - I wouldn't want to detract you from such a wonderful
 creature, but, well, there isn't a lot there, is there?
                                        -- Computer Science Lecturer

In response to

  • B-Heaps at 2010-06-15 03:21:30 from Eliot Gable


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Subject: Re: PostgreSQL as a local in-memory cache
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