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Posted to dev@cassandra.apache.org by Christopher Bradford <br...@gmail.com> on 2020/05/20 02:05:07 UTC
Support for networking via identity instead of IP
Hello C* Dev list,
While thinking through some ways to span clouds / Kubernetes clusters I
found some approaches not possible (or significantly difficult) due to how
we use IP addresses instead of hostnames. This lead to the creation of
CASSANDRA-15823 <https://issues.apache.org/jira/browse/CASSANDRA-15823>
along with this message to spark some discussion in this space. The body of
the ticket is a little lengthy but goes into the background a bit more.
Additionally while in discussions with some other C* users there is
apparently a bit of pain around our use of IPs instead of hostnames. We
were about how cass-operator uses DNS for seed node discovery and they were
excited about an uptick in hostname / DNS usage instead of a list of IP
addresses.
Any thoughts about this proposal? What are some pitfalls that should be
considered?
Thanks,
~Chris
Christopher Bradford
Re: Support for networking via identity instead of IP
Posted by Christopher Bradford <br...@gmail.com>.
I wasn’t sure if this was CEP material or not. I don’t mind migrating it
that direction instead of a JIRA.
Thanks!
On Tue, May 19, 2020 at 11:19 PM Dinesh Joshi <dj...@apache.org> wrote:
> Hi Chris,
>
> I skimmed through your proposal and it looks interesting. We can
> definitely discuss this but at the moment we’re iterating on releasing 4.0
> so your proposal may not get a whole lot of traction. We also have a new
> process to propose largish changes like you suggested called CEP (Cassandra
> Enhancement Process). You don’t have to formally write up a doc if you’re
> looking to just bounce ideas off of folks in the mailing list. Just making
> you aware in case you didn’t know.
>
> Cheers,
>
> Dinesh
>
> > On May 19, 2020, at 7:05 PM, Christopher Bradford <br...@gmail.com>
> wrote:
> >
> > Hello C* Dev list,
> >
> > While thinking through some ways to span clouds / Kubernetes clusters I
> > found some approaches not possible (or significantly difficult) due to
> how
> > we use IP addresses instead of hostnames. This lead to the creation of
> > CASSANDRA-15823 <https://issues.apache.org/jira/browse/CASSANDRA-15823>
> > along with this message to spark some discussion in this space. The body
> of
> > the ticket is a little lengthy but goes into the background a bit more.
> >
> > Additionally while in discussions with some other C* users there is
> > apparently a bit of pain around our use of IPs instead of hostnames. We
> > were about how cass-operator uses DNS for seed node discovery and they
> were
> > excited about an uptick in hostname / DNS usage instead of a list of IP
> > addresses.
> >
> > Any thoughts about this proposal? What are some pitfalls that should be
> > considered?
> >
> > Thanks,
> > ~Chris
> >
> > Christopher Bradford
>
>
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Christopher Bradford
Re: Support for networking via identity instead of IP
Posted by Dinesh Joshi <dj...@apache.org>.
Hi Chris,
I skimmed through your proposal and it looks interesting. We can definitely discuss this but at the moment we’re iterating on releasing 4.0 so your proposal may not get a whole lot of traction. We also have a new process to propose largish changes like you suggested called CEP (Cassandra Enhancement Process). You don’t have to formally write up a doc if you’re looking to just bounce ideas off of folks in the mailing list. Just making you aware in case you didn’t know.
Cheers,
Dinesh
> On May 19, 2020, at 7:05 PM, Christopher Bradford <br...@gmail.com> wrote:
>
> Hello C* Dev list,
>
> While thinking through some ways to span clouds / Kubernetes clusters I
> found some approaches not possible (or significantly difficult) due to how
> we use IP addresses instead of hostnames. This lead to the creation of
> CASSANDRA-15823 <https://issues.apache.org/jira/browse/CASSANDRA-15823>
> along with this message to spark some discussion in this space. The body of
> the ticket is a little lengthy but goes into the background a bit more.
>
> Additionally while in discussions with some other C* users there is
> apparently a bit of pain around our use of IPs instead of hostnames. We
> were about how cass-operator uses DNS for seed node discovery and they were
> excited about an uptick in hostname / DNS usage instead of a list of IP
> addresses.
>
> Any thoughts about this proposal? What are some pitfalls that should be
> considered?
>
> Thanks,
> ~Chris
>
> Christopher Bradford
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