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An approach to build high-performance OPC-XML DA server system based on MONGODB and Comet

机译:基于MONGODB和Comet的高性能OPC-XML DA服务器系统的构建方法。

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A simple implementation for OPC XML-DA has been achieved by the traditional XML-DA server. However, little has been attracted to the design and improvement of the capability. An OPC-XML DA server system of high performance is designed in this paper. We use .net asynchronous framework to design asynchronous subscription mechanism which is based on the Comet. New caching mechanism is designed by non-relational database such as MongoDB. Historical data storage is achieved based on the raw data compression method. Through a set of testing, we found that this system greatly improve the ability under high concurrency and high volume of data.
机译:传统的XML-DA服务器已实现OPC XML-DA的简单实现。但是,很少被设计和改进能力所吸引。本文设计了高性能的OPC-XML DA服务器系统。我们使用.NET异步框架来设计基于彗星的异步订阅机制。新的缓存机制由非关系数据库(如MongoDB)设计。历史数据存储是基于原始数据压缩方法实现的。通过一系列测试,我们发现该系统大大提高了高并发性和大量数据的能力。

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