Re: gaussian distribution pgbench - Mailing list pgsql-hackers

From Fabien COELHO
Subject Re: gaussian distribution pgbench
Date
Msg-id alpine.DEB.2.10.1403140758320.4831@sto
Whole thread Raw
In response to Re: gaussian distribution pgbench  (KONDO Mitsumasa <kondo.mitsumasa@lab.ntt.co.jp>)
List pgsql-hackers
> Well, when we set '--gaussian=NUM' or '--exponential=NUM' on command line, we 
> can see access probability of top N records in result of final output. This 
> out put is under following,

Indeed. I had forgotten this point. This is a significant information that 
I would not like to loose.

> This feature helps user to understand bias of distribution for tuning 
> threshold parameter.
> If this feature is nothing, it is difficult to understand distribution of 
> access pattern, and it cannot realized on custom script. Because range of 
> distribution (min, max, and SQL pattern) are unknown on custom script. So I 
> think present UI is not bad and should not change.

Ok. I agree with this argument.

-- 
Fabien.



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