此警告意味着在引发异常时未释放已分配的内存。

This warning indicates that allocated memory is not being freed when an exception is thrown.

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内存膨胀（Memory ballooning）是一种主机指示合作客户释放一些已分配内存以用于其他用途的技术。

Memory ballooning is a technique in which the host instructs a cooperative guest to release some of its assigned memory so that it can be used for another purpose.

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当释放内存块时，调试堆自动检查已分配区域两侧的缓冲区的完整性，如果发生覆盖，将发出错误报告。

When you free a memory block, the debug heap automatically checks the integrity of the buffers on either side of your allocated area and issues an error report if overwriting has occurred.

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