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With my operator hat on, I would like to use the etcd backend, as I'm already paying the cost of maintaining etcd clusters as part of Kubernetes. Adding Zookeeper is a lot more work.

Thanks,
Kevin
________________________________________
From: Davanum Srinivas [davanum at gmail.com]
Sent: Monday, March 13, 2017 4:42 PM
To: OpenStack Development Mailing List (not for usage questions)
Subject: [openstack-dev] [oslo][devstack][all] ZooKeeper vs etcd for Tooz/DLM

Folks,

Currently devstack defaults to zookeeper and is opinionated about it.
Talking to Josh, etcd seems to be a good option too.

Does anyone have specific experience with etcd with tooz?
Do we want to make DLM mandatory? (always run with tooz + backend)?

Asking because lots of the container related projects are using etcd
[1], so we may want to avoid both zookeeper and etcd?

Thoughts please. Note that this came up during the Atlanta PTG as well [2]

Thanks,
Dims

PS: the dragonflow one looks really good! [3]

[1] http://codesearch.openstack.org/?q=etcd&i=nope&files=devstack%2F.*&repos=
[2] https://etherpad.openstack.org/p/ptg-architecture-workgroup
[3] http://git.openstack.org/cgit/openstack/dragonflow/tree/devstack/etcd_driver
--
Davanum Srinivas :: https://twitter.com/dims

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