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Thursday, October 8 • 2:00pm - 2:30pm
Embracing Failure: Self-Healing, Decentralized Resource Management for Apache CloudStack

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A followup to the CCC13 presentation "How to Run from a Zombie" (https://www.youtube.com/watch?v=nFaRl5hgsG0) which explained that the CloudStack architecture violates the CAP theorem by attempting to be simultaneously consistent and available. These conflicting goals cause the system to misallocate resources, orphan device configuration elements, and nondeterministic application of infrastructure configuration.

This presentation will introduce Hoke, a resource management library designed to address these issues by separating consistent automation control and availability-oriented orchestration operations. It provides a lock-free, consistent automation control plane using state-based replication with an orchestration tier. Finally, it distributes itself across the partitions of a CloudStack cluster to scale out workload and isolate the impact of infrastructure failures.


Thursday October 8, 2015 2:00pm - 2:30pm
Liffey Hall 2

Attendees (6)