Lucene内存方法将基于RAM的存储与非常快的文档分析器组合在一起，方便了针对高度优化的实现进行自定义。
The Lucene in-memory approach combines RAM-based storage with a very fast document analyzer that trades ease of customization for a highly optimized implementation.
第二个分析器删除由于组合造成的冗余(只要可以删除)。
The second analyzer removes redundancy, whenever possible, that was created as a result of the combination.
应该有相应的机制（如 Web 服务性能分析器）来建议流程活动的哪种组合能够在使用稀缺资源的情况下获得最佳的性能。
There should be a mechanism, such as a Web service performance analyzer, to suggest what combination of process activities can perform the best in consuming scarce resources.
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