To improve performance, the runtime allocates memory for large objects in a separate heap.

为了改进性能，运行时为单独堆中的大型对象分配内存。

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Each sort has a separate sort heap that is allocated as needed, by the database manager.

每个排序都有单独的由数据库管理器按需分配的排序堆。

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The Watson allocation policy maintains free space in the heap as nodes in two separate "red-black trees"

Watson 分配策略在两个单独的 “红黑树” 中以节点的形式维护堆中的空闲空间

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