Обсуждение: about the performance of autovacuum and vacuumdb? 選項

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about the performance of autovacuum and vacuumdb? 選項

От
"ivan.hou"
Дата:
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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