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CoreOS Fest Berlin, the Open Source Distributed Systems Conference, brings together experts from all over the world to discuss container technologies, distributed systems and open source software to help take the industry to the next level in distributed computing.

The 2016 event will gather 500+ developers, devops professionals and sysadmins together to explore the next steps in making container technologies successful and secure.

Learn more at coreos.com/fest 

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Monday, May 9 • 11:50 - 12:30
Elastic etcd – automatic add, replace and cluster growth

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While etcd was born in the cloud era, it does not really play well in a dynamic environment where nodes come and go and where IP addresses are ephemeral. Moreover, etcd is meant – with its RAFT algorithm at the core – as a consistent key-value store. It rather refuses to form or join a cluster than putting consistency at risk. This talk will discuss how to make etcd more elastic in a sense that cluster join, member replacement and cluster growth is handled automatically when etcd starts up. The existing discovery service is used for this, but in contrast to the stock etcd not only during bootstrapping, but during the whole life-cycle of an etcd cluster. The ideas are implemented in the experimental elastic-etcd wrapper around etcd2. Its usage will be shown and how it behaves in certain cluster situations.

avatar for Stefan Schimanski

Stefan Schimanski

Senior Principal Software Engineer, Red Hat
Stefan is a Senior Principal Software Developer at Red Hat working on Kubernetes and kcp, with a focus on API machinery, extension points and developer tools as part of Sig API Machinery. He contributed a major part of the CRD feature set. Stefan is a 2nd time GoogleSummer of Code... Read More →

Monday May 9, 2016 11:50 - 12:30 CEST