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slow seqscan after vacuum analize - Mailing list pgsql-admin

From eddy@axa.it (Edoardo)
Subject slow seqscan after vacuum analize
Date
Msg-id 14f102db.0402041324.30033235@posting.google.com
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I have a simple query that scans each record, like this: select * from
utente where luogorilasciodoc='ciao'
The execution time BEFORE vacuum is: 1203ms The execution time AFTER
vacuum is: 6656ms !!!
What is going on? Thought that one vaccum the db to get better
performance!

PostgreSQL Ver. 7.3.4 on linux

Thank you
Edoardo

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