[openstack-dev] [all] etcd3 as base service - update

Jay Pipes jaypipes at gmail.com
Thu Jun 8 17:58:58 UTC 2017

On 06/08/2017 12:37 PM, Mike Bayer wrote:
> On 06/08/2017 12:47 AM, Joshua Harlow wrote:
>> So just out of curiosity, but do people really even know what etcd is
>> good for? I am thinking that there should be some guidance from folks
>> in the community as to where etcd should be used and where it
>> shouldn't (otherwise we just all end up in a mess).
> So far I've seen a proposal of etcd3 as a replacement for memcached in
> keystone, and a new dogpile connector was added to oslo.cache to handle
> referring to etcd3 as a cache backend.  This is a really simplistic /
> minimal kind of use case for a key-store.
> But, keeping in mind I don't know anything about etcd3 other than "it's
> another key-store", it's the only database used by Kubernetes as a
> whole, which suggests it's doing a better job than Redis in terms of
> "durable".   So I wouldn't be surprised if new / existing openstack
> applications express some gravitational pull towards using it as their
> own datastore as well.    I'll be trying to hang onto the etcd3 track as
> much as possible so that if/when that happens I still have a job :).

Please see 
:) I think we'll still have jobs working with those silly old RDBMS in a 
couple years.

Now, in three years... who knows?


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