Re: drop/truncate table sucks for large values of shared buffers

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: drop/truncate table sucks for large values of shared buffers
Date: 2015-07-02 14:03:33
Message-ID: 14561.1435845813@sss.pgh.pa.us
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Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> On 2 July 2015 at 14:08, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>> I'm marking this as "returned with feedback" in the commitfest.

> There are no unresolved issues with the approach, nor is it true it is
> slower. If you think there are some, you should say what they are, not act
> high handedly to reject a patch without reason.

Have you read the thread? There were plenty of objections, as well as
a design for a better solution. In addition, we should think about
more holistic solutions such as Andres' nearby proposal (which I doubt
will work as-is, but maybe somebody will think of how to fix it).
Committing a band-aid will just make it harder to pursue real fixes.

regards, tom lane

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