age(datfrozenxid)
Started by Rajesh Kumar Mallahalmost 23 years ago2 messagesgeneral
can anyone please tell what does
SELECT age(datfrozenxid) from pg_database
signify and why it keeps increasing monotonically ?
regds
mallah.
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Re: age(datfrozenxid)
<mallah@trade-india.com> writes:
can anyone please tell what does
SELECT age(datfrozenxid) from pg_database
signify and why it keeps increasing monotonically ?
Basically it measures the time since you last vacuumed each database.
See the Admin Guide:
http://www.postgresql.org/docs/view.php?version=7.3&idoc=0&file=routine-vacuuming.html#VACUUM-FOR-WRAPAROUND
regards, tom lane