Re: data_checksums enabled by default (was: Move --data-checksums to common options in initdb --help)

Hi,

On 2021-01-06 18:27:48 +0100, Magnus Hagander wrote:
> The other argument is that admins can cheaply and quickly turn off
> checksums if they don't want them.
> 
> The same cannot be said for turning them *on* again, that's a very
> slow offline operation at this time.
> 
> Turning off checksums doesn't take noticeably more time than say
> changing the shared_buffers from the default, which is also almost
> guaranteed to be wrong for most installations.

It still requires running a binary locally on the DB server, no?  Which
means it'll not be an option on most cloud providers...

Greetings,

Andres Freund