On Wed, 28 Oct 2009, Robert Haas wrote:

It would be completely logical to break up the configuration file into
subfiles by TOPIC.  That would complicate things for tool-writers
because they would need to get each setting into the proper file, and
we currently don't have any infrastructure for that.

Already done:

# select name,category from pg_settings limit 1;
       name       |                             category
------------------+-------------------------------------------------------------------
add_missing_from | Version and Platform Compatibility / Previous PostgreSQL Versions

You could make one per category, and pgtune for example already knows all this info. The somewhat arbitrary category assignments Josh put things into are what Peter was complaining about upthread. Questions like "is 'effective_cache_size' a memory parameters or an optimizer one?" show why this is not trivial to do well.

--
* Greg Smith gsm...@gregsmith.com http://www.gregsmith.com Baltimore, MD

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