Bruce Momjian <bruce(at)momjian(dot)us> writes:
> Why is autovacuum_freeze_max_age's default set to 200 million, rather
> than something like 2 billion? It seems 2 billion is half way to
> wrap-around and would be a better default. Right now, the default seems
> to freeze 10x more often than it has to.
Please see the archives. I do not remember the reasoning, but there
was some, and you need to justify why it was wrong not just assert
that you think it's silly.
regards, tom lane