Re: A not so good comparison of MVCC implementations

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Thomas Kellerer <spam_eater(at)gmx(dot)net>, PostgreSQL Advocacy <pgsql-advocacy(at)postgresql(dot)org>
Subject: Re: A not so good comparison of MVCC implementations
Date: 2018-01-29 04:53:38
Message-ID: 20180129045338.GB8173@paquier.xyz
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On Sun, Jan 28, 2018 at 05:07:43PM -0500, Jonathan S. Katz wrote:
>> On Jan 26, 2018, at 7:03 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>>
>> On Fri, Jan 26, 2018 at 2:07 PM, Jonathan S. Katz <jkatz(at)postgresql(dot)org> wrote:
>>>> Yeah, that's really deceptive.
>>>
>>> Skimming the paper, it also does not mention which versions of the software
>>> are being used. Ideally how the DBs were configured on the hardware
>>> would be great to see too, but that may be asking too much.
>>
>> That's because they didn't use *any* version of PostgreSQL. They
>> tested something that they claim works *like* PostgreSQL but is
>> actually not the PostgreSQL code.
>
> To clarify, that comment was based on all the databases they were using,
> not just PostgreSQL.

Their article never uses "configuration", "configure" and has no mention
about what kind of tuning they've done for any systems.
--
Michael

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