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An organization plans to migrate a large relational database server to Azure Virtual Machines. The database workload requires a high memory-to-vCPU ratio to support heavy in-memory data caching and fast query processing.
Which Azure virtual machine category should the administrator choose?
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Memory optimized virtual machine sizes in Azure are specifically engineered to offer a high memory-to-vCPU ratio. These instances are part of VM series such as the E-series (e.g., Ev5, Easv6) and M-series, designed specifically for workloads that require massive amounts of random access memory (RAM) to process large datasets directly in memory without frequent disk input/output bottlenecks.
Choosing memory optimized VM sizes ensures that database engines receive the dedicated memory footprint necessary to avoid expensive page swapping and disk reads, ensuring predictable response times and optimal resource utilization.