| From: | Jay Levitt <jay(dot)levitt(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
| Cc: | Jeff Davis <pgsql(at)j-davis(dot)com>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: 9.3 Pre-proposal: Range Merge Join |
| Date: | 2012-04-16 21:52:54 |
| Message-ID: | 4F8C94B6.40603@gmail.com |
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| Lists: | pgsql-hackers |
Simon Riggs wrote:
> I'd like to see something along the lines of demand-created optional
> indexes, that we reclaim space/maintenance overhead on according to
> some cache management scheme. More space you have, the more of the
> important ones hang around. The rough same idea applies to
> materialised views.
+10; this sort of demand-driven optimization could be the database
equivalent of Java's HotSpot (which accomplished the amazing task of making
Java kinda fastish sometimes).
Jay
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