Re: Memory usage during sorting - Mailing list pgsql-hackers

From Greg Stark
Subject Re: Memory usage during sorting
Date
Msg-id CAM-w4HPT0+h6d7E70ATSSTHEzuyiEm2VAR8tJg=gr7wFrWBNPg@mail.gmail.com
Whole thread Raw
In response to Re: Memory usage during sorting  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Memory usage during sorting  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Mon, Mar 19, 2012 at 7:23 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> There's no real reason why the tuples destined for the next run need
> to be maintained in heap order; we could just store them unordered and
> heapify the whole lot of them when it's time to start the next run.

This sounded familiar....

http://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=cf627ab41ab9f6038a29ddd04dd0ff0ccdca714e

-- 
greg


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