Horton

Re: Proposal: Improve bitmap costing for lossy pages

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Dilip Kumar <dilipbalaut@gmail.com>
Cc: Alexander Kumenkov <a.kuzmenkov@postgrespro.ru>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-08-31T17:57:38Z
Lists: pgsql-hackers 
On Thu, Aug 31, 2017 at 2:26 AM, Dilip Kumar <dilipbalaut@gmail.com> wrote:
> Thanks for the feedback.  I will work on it.

Another thought is that you probably want/need to test across a range
of work_mem values.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. Account for the effect of lossy pages when costing bitmap scans.