| From: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
| Cc: | KONDO Mitsumasa <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp>, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: gaussian distribution pgbench |
| Date: | 2014-03-13 13:51:34 |
| Message-ID: | 5321B7E6.7080300@vmware.com |
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| Lists: | pgsql-hackers |
On 03/13/2014 03:17 PM, Fujii Masao wrote:
> On Tue, Mar 11, 2014 at 1:49 PM, KONDO Mitsumasa
> <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>> (2014/03/09 1:49), Fabien COELHO wrote:
>>>
>>> I'm okay with this UI and its implementation.
>>
>> OK.
>
> We should do the same discussion for the UI of command-line option?
> The patch adds two options --gaussian and --exponential, but this UI
> seems to be a bit inconsistent with the UI for \setrandom. Instead,
> we can use something like --distribution=[uniform | gaussian | exponential].
IMHO we should just implement the \setrandom changes, and not add any of
these options to modify the standard test workload. If someone wants to
run TPC-B workload with gaussian or exponential distribution, they can
implement it as a custom script. The docs include the script for the
standard TPC-B workload; just copy-paster that and modify the \setrandom
lines.
- Heikki
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