Re: tuplesort memory usage: grow_memtuples
Peter Geoghegan <peter@2ndquadrant.com>
From: Peter Geoghegan <peter@2ndquadrant.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Jeff Janes <jeff.janes@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2012-10-18T16:04:41Z
Lists: pgsql-hackers
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Incorporate a couple of recent tuplesort.c improvements into tuplestore.c.
- 2689abf07849 8.2.0 cited
On 16 October 2012 21:47, Peter Geoghegan <peter@2ndquadrant.com> wrote: > The same basic strategy for sizing the tuplesort memtuples array in > also exists in tuplestore. I wonder if we should repeat this there? I > suppose that that could follow later. Incidentally, the basis of this remark is commit 2689abf0, where Tom decided to keep the two in sync. That's a precedent for what we need to do here, I suppose. -- Peter Geoghegan http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training and Services