Re: Using quicksort for every external sort run

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Greg Stark <stark(at)mit(dot)edu>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Simon Riggs <simon(at)2ndquadrant(dot)com>
Subject: Re: Using quicksort for every external sort run
Date: 2015-12-09 03:15:18
Message-ID: CAM3SWZR1Eaw=pcsCREYeCoJbBWh5042QxOhr0-eqQWTSdTMsnw@mail.gmail.com
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On Tue, Dec 8, 2015 at 7:09 PM, Peter Geoghegan <pg(at)heroku(dot)com> wrote:
> Why multiply by BLCKSZ here?

I ask because LogicalTapeSetBlocks() returns blocks directly, not
tapes, and I'd expect the same. Also, the callers seem to expect
blocks, not bytes.

--
Peter Geoghegan

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