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Re: Not HOT enough

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Not HOT enough
Date: 2011-11-23 22:47:39
Message-ID: CA+Tgmoaayee12wTxcpxFk6viJuvy=5nfsFfs+3e-ZnA+SAzZJw@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Wed, Nov 23, 2011 at 5:43 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> Computing two cutoffs is overkill for the rare event of pruning a
> shared catalog page. I did think of that already and its not a good
> solution. I'm tempted by the idea of getting rid of multiple databases
> altogether. The hassle of supporting that feature far outweighs the
> fairly low benefit.

That seems a rather sudden U-turn.  The point of your proposal is to
improve life for people using multiple databases in a single cluster.
If that's not an important use case, why bother with any of this?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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