Cloud object stores have become the most widely used form of cloud storage in recent years. They combine key advantages such as high availability, elasticity and a pay-as-yougo pricing model, which allows applications to scale as the usage increases or decreases, with HTTP-based RESTful APIs for data management. Cloud object stores today are deployed using a single set of configuration parameters for all different types of applications. This homogeneous setup results in all applications

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... cing the same service level (e.g., data transfer throughput, etc.). However, the vast variety of applications expose extremely different latency and throughput requirements. To this end, we propose MOS, a Micro Object Storage architecture with independently configured microstores each tuned dynamically for a particular type of workload.