There's a number of sites that have lots of info on postgresql.conf
tuning. Google for 'postgresql.conf tuning' or 'annotated
postgresql.conf'.
I know some of these sites, but who should I know if the information on
those pages is correct? The information on those pages should be
published as part of the postgres documentation. Doesn't have to be too
much, maybe like this page:
http://www.powerpostgresql.com/Downloads/annotated_conf_80.html
But it should be part of the documentation to show newbies that not only
the information is correct, but also approved of and recommended by the
postgres team.
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
