Horton

Re: [WIP] Zipfian distribution in pgbench

Amit Kapila <amit.kapila16@gmail.com>

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From: Amit Kapila <amit.kapila16@gmail.com>
To: Alik Khilazhev <a.khilazhev@postgrespro.ru>
Cc: Fabien COELHO <coelho@cri.ensmp.fr>, PostgreSQL Developers <pgsql-hackers@postgresql.org>
Date: 2017-07-10T07:54:20Z
Lists: pgsql-hackers 
On Mon, Jul 10, 2017 at 12:19 PM, Alik Khilazhev <a.khilazhev@postgrespro.ru
> wrote:

> Hello, Fabien!
>
> Your description is not very precise. What version of Postgres is used? If
> there is a decline, compared to which version? Is there a link to these
> results?
>
>
> Benchmark have been done in master v10. I am attaching image with results:
> .
>
>
It will be interesting to see what the profiling data with perf says about
this for PostgreSQL.  Can you try to get the perf report?


-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

Commits

  1. Add approximated Zipfian-distributed random generator to pgbench.