Vivek Khera wrote: > > On May 2, 2006, at 2:26 PM, Tony Wasson wrote: > > >The script detects a wrap at 2 billion. It starts warning once one or > >more databases show an age over 1 billion transactions. It reports > >critical at 1.5B transactions. I hope everyone out there is vacuuming > >*all* databases often. > > Something seems wrong... I just ran your script against my > development database server which is vacuumed daily and it said I was > 53% of the way to 2B. Seemed strange to me, so I re-ran "vacuum -a - > z" to vacuum all databases (as superuser), reran the script and got > the same answer.
That's right, because a database's age is only decremented in database-wide vacuums. (Wow, who wouldn't want a person-wide vacuum if it did the same thing ...) -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
