这将指示DB 2将索引键传递给内存中的排序程序，而不是再次将这些键写到DASD上的排序工作文件中，然后从中读取这些键。

This instructs DB2 to pass the index keys to the sort program in memory, rather than having the keys written to and read once again from sort work files on DASD.

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在创建索引期间，模型文件作为参数传递，而且只在此期间被读取；以后的修改不影响现有的索引。

The model file is passed as a parameter during index creation and is only read during index creation; later changes do not affect existing indexes.

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搜索子系统: 这个子系统负责在索引文件上进行搜索并把搜索结构传递给请求管理器。

Searching: This subsystem searches on the Lucene index and returns the search results to the Request Manager subsystem.

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