Samuel Stearns <SStearns@internode.com.au> writes:
> I've got an old 7.4.5 instance of Postgres running on Linux. My transaction ID's are just over the 1 billion mark.
Iran an instance wide vacuum analyse but this had now effect on the transaction ID count. Do I need to run a vacuum
full?
No. There is no need to worry. The transaction counter will march up
to 4 billion and then wrap around, if you keep the instance going that
long. This is not a problem.
regards, tom lane