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Full vacuum really slowing query down - Mailing list pgsql-general

From Jason Long
Subject Full vacuum really slowing query down
Date
Msg-id 484706C1.7080705@supernovasoftware.com
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Responses Re: Full vacuum really slowing query down  (Tomasz Ostrowski <tometzky@batory.org.pl>)
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I have a query that takes 2.5 sec if I run it from a freshly restored
dump.  If I run a full vacuum on the database it then takes 30 seconds.

Would someone please comment as to why I would see over a 10x slow down
by only vacuuming the DB?

I am using 8.3.1

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