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From Sumanth Pasupuleti <sumanth.pasupuleti...@gmail.com>
Subject Re: Supported upgrade path for 4.0
Date Fri, 09 Oct 2020 06:00:50 GMT
+1 to officially supporting 3.0 to 4.0, in addition to 3.11 to 4.0 upgrade
paths

On Thu, Oct 8, 2020 at 10:33 PM Jeff Jirsa <jjirsa@gmail.com> wrote:

>
> I assumed it would be 3.0.x and 3.11.x
>
> I don’t know why we’d make 3.0-4.0 unofficial/unsupported - there’s no
> technical reason I’ve seen
>
> > On Oct 8, 2020, at 9:21 PM, Anthony Grasso <anthony.grasso@gmail.com>
> wrote:
> >
> > Hi Josh,
> >
> > This is a really good question. I agree with David about making sure this
> > is clearly documented.
> >
> > As far as the supported upgrade path goes, I think we should officially
> > support only 3.11.x. I do understand the idea of giving users the
> > flexibility to upgrade from 3.0.x. However, the simpler we can make the
> > upgrade path the better. As you mentioned, historically there have been
> > numerous upgrade bugs. To that, having one upgrade path will make
> > maintenance and support easier.
> >
> > Kind regards,
> >
> >> On Fri, 9 Oct 2020 at 07:36, David Capwell <dcapwell@gmail.com> wrote:
> >>
> >> Thanks for bringing this up, we really should document this and make
> sure
> >> the different upgrade paths are clearly documented and have proper
> >> coverage.
> >>
> >> There was a conversation in slack a while back (started from
> >> https://the-asf.slack.com/archives/CK23JSY2K/p1595906733435000) but not
> >> formal or voted on, but the current upgrade targets were 3.0.x and
> 3.11.x
> >> (do others feel we should support other versions as well and if so
> what?).
> >>
> >> For features, COMPACT STORAGE is getting a lot of attention right now,
> so
> >> would love to see clarity on how we go from a cluster with COMPACT
> STORAGE
> >> to 4.0 (is there min version support, what is the upgrade path, what
> about
> >> deleted rows, etc.).
> >>
> >> This is what I know about the current state of 4.0 upgrades at least.
> >>
> >> On Thu, Oct 8, 2020 at 11:48 AM Joshua McKenzie <jmckenzie@apache.org>
> >> wrote:
> >>
> >>> Related JIRA ticket:
> >> https://issues.apache.org/jira/browse/CASSANDRA-15588
> >>>
> >>> Description:
> >>>
> >>> "We've historically had numerous bugs concerning upgrading clusters
> from
> >>> one version to the other. Let's establish the supported upgrade path
> and
> >>> ensure that users can safely perform the upgrades in production."
> >>>
> >>> So the topic of discussion here: what is our supported upgrade path to
> >> 4.0?
> >>> Is this actually documented on our site or in our documentation? Spent
> a
> >>> few minutes poking around and didn't find anything.
> >>>
> >>> Anyone have an opinion here or any formal prior art for us to build on?
> >>>
> >>
>
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