内存交换的增加会降低数据流引擎的性能。

Increased memory swapping slows performance of the data flow engine.

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Compress引擎从磁盘中解压缩数据流。

The compress engine decompresses data streamed from disk.

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在分析了工作流、业务对象等基本概念和特征之后，针对过程中活动间的数据流，提出了工作流引擎和数据流的调度算法。

Based on the analysis of the basic concepts and features of workflow and business object, etc., scheduling algorithms for workflow engine and data flow of inter-activity were proposed.

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