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用Dask轻松驾驭大数据:高效处理大型CSV文件的终极指南
Dask的魅力在于,它能处理超出单机内存的数据,通过将数据分解为小块以便于管理,并且还允许并行操作。令人惊喜的是,Dask还会运用惰性计算策略,只有在我们明确需要的时候才执行计算,避免不必要的资源浪费。今天,我们就来看看如何利用Dask高效处理CSV文件,特别是在内存资源有限的情况下!
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