A prospective customer wants to migrate database workloads to Nutanix.

To migrate database workloads from a 3-tier vSphere architecture to a Nutanix cluster while maintaining customer experience and minimizing costs, it is crucial to focus on maintaining similar processor speeds. Here’s a detailed explanation:

Workload Analysis:

The current environment consists of hosts with 256G RAM and Broadwell 2.8 GHz 12-core processors.

The largest database VM uses 64G of memory, and some databases are single-threaded but have acceptable performance.

Processor Consideration:

Database performance, especially for single-threaded workloads, is highly dependent on the CPU's clock speed.

Using processors with similar speed ensures that the performance characteristics remain consistent, minimizing the risk of performance degradation.

Avoiding Performance Bottlenecks:

Matching the CPU speed helps maintain the current acceptable performance levels.

This approach is more cost-effective than upgrading to higher-speed processors or increasing memory excessively.

Cluster Configuration:

Ensuring the new Nutanix cluster has processors with similar clock speeds to the existing environment will provide a smooth transition.

This consistency will also help in minimizing the need for extensive re-optimization or re-tuning of the databases post-migration.

References:

Nutanix documentation on CPU performance considerations for database workloads.

Best practices for migrating workloads to Nutanix and ensuring consistent performance.