InitiatingHeapOccupancyPercent 参数讨论专区
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参数名称
InitiatingHeapOccupancyPercent
取值类型
unsigned int
参数说明
Percentage of the (entire) heap occupancy to start a concurrent GC cycle. It is used by GCs that trigger a concurrent GC cycle based on the occupancy of the entire heap, not just one of the generations (e.g., G1). A value of 0 denotes ‘do constant GC cycles’.
用法及建议
- 使用该参数的正确姿势是-XX:InitiatingHeapOccupancyPercent=___
默认值
| 平台/版本 | JDK6 | JDK7 | JDK8 |
|---|---|---|---|
| Linux | 45 | 45 | 45 |
| MacOS | 45 | 45 | 45 |
| Windows | 45 | 45 | 45 |
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