On 10/12/2017 05:44 PM, Mark Hatle wrote:
On 10/12/17 4:52 AM, Neal Gompa wrote:
On Mon, Oct 9, 2017 at 11:25 AM, Richard Brown <rbr...@suse.de> wrote:
What do you all think? And if a change like this is on the cards as an rpm
default, where would the likely
location be?
So, I think we should probably expose this as an configure switch, and
default to /var/lib/rpm. Most people have literally no reason to move
it. The switch would move the rpmdb to the alternate location of
/usr/lib/rpmdb (or whatever the agreed alternate path is).
This wouldn't really affect rpm-ostree, as they'd adjust the dbpath
the same way they've always done it. But for people changing the
system rpmdb location everywhere, the configure switch makes it clear
there's only two supported paths. It should be very clear that you're
on your own for anything else.
I agree with this. I see no compelling reason for my applications to move the
location of the database from one version to another.
Moving the DB will also complicated OS upgrades (package based) and other
things.
I don't object to be it being configurable, but I'd like the option to remain at
the current location for as long as I and my customers need it there.
The database path has always been trivially configurable with a macro
without having to patch rpm, nobody is taking that away. And because
it's so trivial to change it really doesn't need a configure switch either.
It's also way, way early to discuss about changing defaults. For that,
there needs to be at least
a) a viable new location (which is what I think this discussion is about)
b) a way to handle migration in a reasonably transparent manner
c) a reason with actual benefits to majority of users (that's what
*defaults* are about)
For the time being, there's no benefit to moving things around for the
vast majority of users, on the contrary it'd just cause a whole lot of
pain with very little if any gain. Maybe that'll change some day, maybe
some day most users will be on snapshotable setup (I wouldn't predict
against that) or something like that.
So I don't see us changing the default anytime soon, but I think we all
need to acknowledge the existence (and importance) of the snapshot case,
we might need to do *something* to better support that.
- Panu -
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