Re: [WIP] Zipfian distribution in pgbench

From: Alik Khilazhev <a(dot)khilazhev(at)postgrespro(dot)ru>
To: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
Cc: PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [WIP] Zipfian distribution in pgbench
Date: 2017-07-21 08:43:31
Views: Raw Message | Whole Thread | Download mbox | Resend email
Lists: pgsql-hackers

> Hmmm. On second thought, maybe one or the other is enough, either restrict the parameter to values where the approximation is good, or put out a clear documentation about when the approximation is not very good, but it may be still useful even if not precise.
> So I would be in favor of expanding the documentation but not restricting the parameter beyond avoiding value 1.0.

I have removed restriction and expanded documentation in attaching patch v5.

Also I have recorded patch to CF 2017-09 —

Thanks and Regards,
Alik Khilazhev
Postgres Professional:
The Russian Postgres Company

In response to


Browse pgsql-hackers by date

  From Date Subject
Next Message Etsuro Fujita 2017-07-21 10:16:13 Re: Bug in ExecModifyTable function and trigger issues for foreign tables
Previous Message Dean Rasheed 2017-07-21 08:36:36 Re: pgsql: Use MINVALUE/MAXVALUE instead of UNBOUNDED for range partition b