2009/6/10 Preeti Khurana <preeti.khur...@globallogic.com>:
> I checked the release notes till 8.1.17, but could not come across any such 
> issue which leads to db performance degradation after doing heavy db 
> operations. AutoVacuum is also enabled parallel.

Note that you might be much better served moving to 8.3 if HOT can
help with your usage patterns.  A database I work with dropped in load
by about 1/2 (maybe a bit more) just by switching to 8.3.  But it's
not magic pixie dust and if your usage patterns preclude HOT helping
(i.e. updating every row in a table) then I don't expect any miracles.

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