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slow seqscan after vacuum analize - Mailing list pgsql-admin

From Edoardo Ceccarelli
Subject slow seqscan after vacuum analize
Date
Msg-id 2scq27$k4lid@mailr-2.tiscali.it
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In response to unsubscribe  (Brian McGuinty <brianmcguinty@yahoo.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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