With this information, the manager is better able to estimate the additional capacity needed and when it will be needed.
通过此信息，管理者能够更好地估计所需的额外容量以及何时需要它。
2
It is these objective predictions that are essential in managing customer expectations, and in being able to estimate, request, and defend additional schedule or resources accurately.
这些客观的预测是管理用户期望，及能够精确地估算、请求，并防御额外的进度或资源所必要的。
3
Thus, you can measure the disk writes to estimate the additional load.