Re: Why aren't master and slave DBs binary identical?

Andres Freund <andres@anarazel.de> writes:
> On Friday 18 June 2010 00:22:00 Josh Berkus wrote:
>> We've noticed that checksums and file sizes for the master database, and
>> slave database, even after all transactions have been cleared, are not
>> identical.  Why is that?

> Non Wal-Logged action like visibility bits.

That wouldn't affect file sizes though.  Could we have some specifics?
        regards, tom lane