Re: New to PostgreSQL, performance considerations - Mailing list pgsql-performance

From Tom Lane
Subject Re: New to PostgreSQL, performance considerations
Date
Msg-id 4775.1165943639@sss.pgh.pa.us
Whole thread Raw
In response to Re: New to PostgreSQL, performance considerations  (Alvaro Herrera <alvherre@commandprompt.com>)
Responses Re: New to PostgreSQL, performance considerations  (Bruce Momjian <bruce@momjian.us>)
List pgsql-performance
Alvaro Herrera <alvherre@commandprompt.com> writes:
> While skimming over the pgbench source it has looked to me like it's
> necessary to pass the -s switch (scale factor) to both the
> initialization (-i) and the subsequent (non -i) runs.

No, it's not supposed to be, and I've never found it needed in practice.
The code seems able to pull the scale out of the database (I forget how
it figures it out exactly).

            regards, tom lane

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