Data Centers

Towards Cost-Effective Storage Provisioning for DBMSs

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Executive Summary

Data center operators face a bewildering set of choices when considering how to provision resources on machines with complex I/O subsystems. Modern I/O subsystems often have a rich mix of fast, high performing, but expensive SSDs sitting alongside with cheaper but relatively slower (for random accesses) traditional hard disk drives. The data center operators need to determine how to provision the I/O resources for specific workloads so as to abide by existing Service Level Agreements (SLAs), while minimizing the Total Operating Cost (TOC) of running the workload, where the TOC includes the amortized hardware costs and the run time energy costs.

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