On Sat, Feb 4, 2012 at 10:06 AM, Jeff Janes <jeff.ja...@gmail.com> wrote:

> Attached is a completely uncommitable proof of concept/work in
> progress patch to get around the limitation.  It shows a 2 fold
> improvement when indexing an integer column on a 50,000,000 row
> randomly ordered table.

Oops, forgot to say that is with
set maintenance_work_mem=4194304;

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