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vacuumdb and autovacuum?

This is a discussion on vacuumdb and autovacuum? within the Pgsql Performance forums, part of the PostgreSQL category; --> i try to compare two methods of garbage-collect.(Postgresql Ver: 8.1.3) 1. enable autovacuum without using vacuumdb -f mydb in ...


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Old 04-19-2008, 11:43 AM
Charles.Hou
 
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Default vacuumdb and autovacuum?

i try to compare two methods of garbage-collect.(Postgresql Ver:
8.1.3)

1. enable autovacuum without using vacuumdb -f mydb in crontab.
2. using crontab to vacuumdb in every 10 min (autovacuum disable)


the method 2 got more free space than method 1.


the disk size of database still increased in method 1.
so, what's the advantage of autovacuum?
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