If both the target utilization and allocation rate are high, the application can run out of memory, forcing the GC to run continuously and dropping the utilization to 0% in most cases.

如果目标利用率和分配率都很高，则应用程序可能耗尽内存，强迫GC连续地运行并且在多数情况下使利用率降低到0%。

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Better yet, rebalancing your portfolio at least once a year back to your original target allocation can reduce risk and even enhance returns by forcing you to buy low and sell high.

FORBES: Forget the Fiscal Cliff. Here are the Real Threats to Your Portfolio.