From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
---|---|
To: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: PostgresSQL 13.0 Beta 1 on Phoronix |
Date: | 2020-05-24 17:33:48 |
Message-ID: | CAH2-Wz=Pm=wdTYDD1HU-j-BjGkCMpRfz=tS3gb6p=JB9W0tUCw@mail.gmail.com |
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On Sun, May 24, 2020 at 2:52 AM Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> wrote:
> There was news in Phoronix about the Beta 1 Release of Postgres (1).
> Unfortunately for Postgres advocacy it does not bring good news,
> it is showing regressions in the benchmarks compared to version 12.
> Without going into the technical merits of how the test was done,
> they have no way of knowing whether such regressions actually exist or if it is a failure of how the tests were done.
This shellscript appears to be used by Phoronix to run pgbench:
It looks like they're only running pgbench for 60 second runs in all
configurations -- notice that "-T 60" is passed to pgbench. I'm not
entirely sure that that's all that there is to it. Still, there isn't
any real attempt to make it clear what's going on here. I have my
doubts about how representative these numbers are for that reason.
--
Peter Geoghegan
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