Calculate query cache effectiveness based on write-to-read ratio. High write rate causes high cache invalidation; model the effective cache hit rate for your workload.
Calculate query cache effectiveness based on write-to-read ratio. High write rate causes high cache invalidation; model the effective cache hit rate for your workload
Each component has a specific meaning:
Note: Interpret the query cache invalidation result against the thresholds and context described above.
Enter the write-to-read ratio for the scenario you are assessing. Calculate query cache effectiveness based on write-to-read ratio. High write rate causes high cache invalidation; model the effective cache hit rate for your workload. Use the query cache invalidation result to inform your calculation.