etcd 3.0 released

CoreOS has announced theavailability of version 3.0 of the etcd distributed key-value store."etcd 3.0 marks the first stable release of the etcd3 API and datamodel. Upgrades are simple, because the same etcd2 JSON endpoints andinternal cluster protocol are still provided in etcd3. Nevertheless, etcd3is a wholesale API redesign based on feedback from etcd2 users andexperience with scaling etcd2 in practice. This post highlights somenotable etcd3 improvements in efficiency, reliability, and concurrencycontrol."