Re: pgbench stats per script & other stuff

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Josh Berkus <josh(at)agliodbs(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pgbench stats per script & other stuff
Date: 2015-09-02 18:36:51
Message-ID: CA+TgmoaMV1yF1qEyfba0XwqEPCpMJzD2nTS+XcUVyS-mo1RddA@mail.gmail.com
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On Wed, Sep 2, 2015 at 2:20 PM, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> wrote:
>> I'm wondering if percentages instead of weights would be a better
>> idea. That'd mean you'd be forced to be more careful when adding another
>> script (having to adjust the percentages of other scripts) but arguably
>> that's a good thing?
>
> If you use only percent, then you have to check that the total is 100,
> probably you have to use floats, to do something when the total is not 100,
> checking would complicate the code and test people mental calculus
> abilities. Not sure this is a good idea:-)

I agree. I don't see a reason to enforce that the total of the
weights must be 100.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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