ob_plan_cache_evict_high_percentage specifies the percentage of the memory size that triggers plan cache eviction to the absolute value of the memory limit.
| Property | Description |
|---|---|
| Parameter type | Int |
| Default value | 90 |
| Value range | [0, 100] |
| Effective scope | GLOBAL |
| Involved in serialization | Yes |
Size of memory that triggers plan cache eviction (high water mark of eviction plan) = absolute value of upper memory limit * ob_plan_cache_evict_high_percentage/100. For an introduction to the absolute value of the memory upper limit, see ob_plan_cache_percentage.