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Crystal: Software-Defined Storage for Multi-tenant Object Stores Crystal: Software-Defined Storage for Multi-tenant Object Stores

Raúl Gracia-Tinedo, Josep Sampé, Edgar-Zamora, Marc Sánchez-Artigas , Pedro García-López, Yosef Moatti and Eran Rom

USENIX Conference on File and Storage Technologies (FAST '17)

Object stores are becoming pervasive due to their scalability and simplicity. Their broad adoption, however, contrasts with their rigidity for handling heterogeneous workloads and applications with evolving requirements, which prevents the adaptation of the system to such varied needs. In this work, we present Crystal, the first Software-Defined Storage (SDS) architecture whose core objective is to efficiently support  multi-tenancy in object stores. Crystal adds a filtering abstraction at the data plane and exposes it to the control plane to enable high-level policies at the tenant, container and object granularities. Crystal translates these policies into a set of distributed controllers that can orchestrate filters at the data plane based on real-time workload information.

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Created2017-01-30
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