I agree that a "directed graph"-like performance map
would be difficult to be written or understood.

What i think would be ideal (helpful/feasible)
is some kind of documentation of the algorithms involved
in the planner/optimizer, along with some pointers
to postgresql.conf parameters where applicable.

This way we will know
- Why something is happening
- If it is the best plan
- What tuning is possible

On 25 Jun 2003, Rod Taylor wrote:

> > I think the biggest area of confusion for me was that the various parameters
> > are very briefly described and no context is given for their parameters.
> > improvements to the performance sections of the documentation would make a
> > huge difference.
> Agreed..  Josh has done some work recently re-arranging things to make
> them easier to find, but the content hasn't changed much.
> Thanks for your thoughts!

Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
tel:    +30-210-8981112
fax:    +30-210-8981877
email:  achill at matrix dot gatewaynet dot com
        mantzios at softlab dot ece dot ntua dot gr

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