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Re: Possible performance regression in version 10.1 with pgbenchread-write tests. - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: Possible performance regression in version 10.1 with pgbenchread-write tests.
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Msg-id CAEepm=2y=C_JRSrCUR5Z9ORohwC=chpa6vTKOrLN5cipfr_1TQ@mail.gmail.com
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In response to Re: Possible performance regression in version 10.1 with pgbenchread-write tests.  (Thomas Munro <thomas.munro@enterprisedb.com>)
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On Mon, Jul 23, 2018 at 3:40 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> I did some testing on 2-node, 4-node and 8-node systems running Linux
> 3.10.something (slightly newer but still ancient).  Only the 8-node
> box (= same one Mithun used) shows the large effect (the 2-node box
> may be a tiny bit faster patched but I'm calling that noise for now...
> it's not slower, anyway).

(I forgot to add that the 4 node system that showed no change is POWER
architecture.)

-- 
Thomas Munro
http://www.enterprisedb.com

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