Re: Online enabling of checksums

Andres Freund <andres@anarazel.de> writes:
> On 2018-07-31 23:20:27 +0200, Daniel Gustafsson wrote:
>> Not really arguing for or against, but just to understand the reasoning before
>> starting hacking.  Why do we feel that a restart (intended for safety here) in
>> this case is a burden on a use-once process?  Is it from a usability or
>> technical point of view?  Just want to make sure we are on the same page before
>> digging in to not hack on this patch in a direction which isn’t what is
>> requested.

> Having, at some arbitrary seeming point in the middle of enabling
> checksums to restart the server makes it harder to use and to schedule.
> The restart is only needed to fix a relatively small issue, and doesn't
> save that much code.

Without taking a position on the merits ... I don't see how you can
claim "it doesn't save that much code" when we don't have a patch to
compare to that doesn't require the restart.  Maybe it will turn out
not to be much code, but we don't know that now.

            regards, tom lane