当在一个迭代发生时尝试EA时，常常会割裂时间盒——在这个周期结束时并没有得到可工作的软件。
When EA attempts at iterations occur, they are usually time-box decompositions - there is no working software at the end of the period.
根据可用时间和资源以及确信度，您可以决定基准确定工作的开始和结束时机。
Depending on the time and resources available and your confidence level, you can decide where the benchmarking exercise can begin and conclude.
然后才能在剩余的时间内执行gc工作，在时间量临近结束时将自身调回休眠状态并恢复JVM的运行。
It can then perform GC work for the remainder of the quantum, scheduling itself back to sleep and resuming the JVM when the quantum end time approaches.
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