If you're using the version 8.1 and after, you should consider using the
auto-vacuum daemon that is the best way to do it:
http://www.postgresql.org/docs/8.1/static/maintenance.html
Pascal;
Brian Modra a écrit :
Hi,
I have a pretty "live" table: rows being inserted and updated more
than once 1 per second, though far, far more inserts than updates.
There are currently over 3 million rows.
It has not been vacuumed for months.
Now a vacuum on that table takes hours, and I have not let it complete
because it stays running into our daily busy time... but I've been
told its necessary because the table is slowing down.
I have begun a cron job which will do a daily analyze, and am thinking
of a weekly vacuum...
Please advise on the best way to keep this table maintained, even if
it means regularly taking the service offline early on Sunday
morning...
thanks in advance
Brian
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