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From: Peter Geoghegan <[email protected]>
To: Bruce Momjian <[email protected]>
Cc: Bossart, Nathan <[email protected]>
Cc: [email protected] <[email protected]>
Cc: McAlister, Grant <[email protected]>
Cc: Mlodgenski, Jim <[email protected]>
Cc: Nasby, Jim <[email protected]>
Cc: Hsu, John <[email protected]>
Subject: Re: partial heap only tuples
Date: Mon, 19 Apr 2021 17:41:42 -0700
Message-ID: <CAH2-Wznh7J2Ey6dshcyjdkH5taFz4V6bN2rJL5MH6xyOuo=9mw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CAH2-WzmHP7H+81j6BG0BV4swvnV27SwyUeB2W9CcLk7vPMqGBw@mail.gmail.com>
	<[email protected]>

On Mon, Apr 19, 2021 at 5:09 PM Bruce Momjian <[email protected]> wrote:
> > A diversity of strategies with fallback behavior is sometimes the best
> > strategy. Don't underestimate the contribution of rare and seemingly
> > insignificant adverse events. Consider the lifecycle of the data over
>
> That is an intersting point --- we often focus on optimizing frequent
> operations, but preventing rare but expensive-in-aggregate events from
> happening is also useful.

Right. Similarly, we sometimes focus on adding an improvement,
overlooking more promising opportunities to subtract a disimprovement.
Apparently this is a well known tendency:

https://www.scientificamerican.com/article/our-brain-typically-overlooks-this-brilliant-problem-solv...

I believe that it's particularly important to consider subtractive
approaches with a complex system. This has sometimes worked well for
me as a conscious and deliberate strategy.

--
Peter Geoghegan

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