On Thu, Sep 29, 2016 at 04:45:08PM -0700, Josh Berkus wrote:
> Take everyone's favorite destruction test case, PostgreSQL.  For
> Postgres, replication doesn't necessarily work between major versions,
> so once we put out a major version we need to keep it out.
> 
> If we have a PostgreSQL-9.5.3 image on Fedora 24 Base out there, then:
> 
> A. it's OK to replace it with a PostgreSQL-9.5.4 image on Fedora 24
> B. it's OK to replace it with a PostgreSQL-9.5.4 image on Fedora 25
> C. it's NOT OK to drop it any only have a PostgreSQL-9.6.1 image available
> 
> I have mixed feelings about whether or not we should do (B) as policy.
> In cases like this, I usually come down to: what's easier? Freezing the
> base image for the major version of the application, or advancing it?

Hmmm - this seems like exactly the problem Modularity is aiming at.

> One thing we can do to ameliorate that is make sure we name images after
> the major version of the app and not after the patch release, i.e. the
> PostgreSQL container will be
>    registry.fedoraproject.org/postgresql:9.5

In the modularity terminology discussion from earlier, this'd be the
"stream". Or whatever equivalent term to that is chosen.



-- 
Matthew Miller
<mat...@fedoraproject.org>
Fedora Project Leader
_______________________________________________
cloud mailing list -- cloud@lists.fedoraproject.org
To unsubscribe send an email to cloud-le...@lists.fedoraproject.org

Reply via email to