我想知道当SSIS项目属性“ RunInOptimizedMode”的“数据流优化”设置为true或false时,是否有人可以了解性能差异。
When set to true SSIS will not incur the overhead of allocating memory for columns (or components) that are selected but which are not mapped to a destination in the data flow. Essentially it will stop carrying around columns that are not needed--reducing memory used and the associated CPU required to handle the extra data.
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