Re: [HACKERS] Checksums by default?

On Sat, Jan 21, 2017 at 7:39 PM, Magnus Hagander <magnus@hagander.net> wrote:
> Is it time to enable checksums by default, and give initdb a switch to turn
> it off instead?
>
> I keep running into situations where people haven't enabled it, because (a)
> they didn't know about it, or (b) their packaging system ran initdb for them
> so they didn't even know they could. And of course they usually figure this
> out once the db has enough data and traffic that the only way to fix it is
> to set up something like slony/bucardo/pglogical and a whole new server to
> deal with it.. (Which is something that would also be good to fix -- but
> having the default changed would be useful as well)

Perhaps that's not mandatory, but I think that one obstacle in
changing this default is to be able to have pg_upgrade work from a
checksum-disabled old instance to a checksum-enabled instance. That
would really help with its adoption.
-- 
Michael