Design Decision: Performance Considerations

Should I enable Machine Creation Services I/O (MCSIO) cache?

  • If Service Level Agreements (SLAs) are not required in your environment, use the less expensive standard disk for the MCSIO cache

  • Consider enabling MCSIO cache when user experience is a high priority. The fast response times of the memory cache make a noticeable difference for the users.

  • Using a memory cache size of 2 GiB provides the best improvement without negatively impacting user density. Always account for the extra memory when choosing an instance size for the workload

  • Do not enable MCSIO cache on memory-constrained machines, such as the F/FS series where the memory to CPU ratios are low

Design Decision: Performance Considerations

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