Re: Possible performance regression in version 10.1 with pgbench read-write tests.

Mithun Cy <mithun.cy@enterprisedb.com>

From: Mithun Cy <mithun.cy@enterprisedb.com>
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>, Robert Haas <robertmhaas@gmail.com>
Date: 2018-01-24T05:21:32Z
Lists: pgsql-hackers
On Wed, Jan 24, 2018 at 7:36 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:

> Both the cases look identical, but from the document attached, it
> seems the case-1 is for scale factor 300.

Oops sorry it was a typo. CASE 1 is scale factor 300 which will fit in
shared buffer =8GB.



-- 
Thanks and Regards
Mithun C Y
EnterpriseDB: http://www.enterprisedb.com


Commits

  1. Pad semaphores to avoid false sharing.