ob_plan_cache_evict_high_percentage specifies the percentage of the absolute value of the maximum memory usage to trigger plan cache eviction.
| Attribute | Description |
|---|---|
| Type | Integer |
| Default value | 90 |
| Value range | [0, 100] |
| Effective scope | Global |
| Involved in serialization | Yes |
Memory threshold that triggers plan cache eviction (upper threshold for plan cache eviction) = Maximum memory × ob_plan_cache_evict_high_percentage/100. For more information about the absolute value of the maximum memory usage for the plan cache, see ob_plan_cache_percentage.