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06 ,spark 提速手段 : 16G 文件读取耗时_spark reading太慢-CSDN博客

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文章浏览阅读593次。1 ,普通数据格式 : 非压缩 ( 我们用 csv )Spark supports many formats, such as csv, json, xml, parquet, orc, and avro. Spark can be extended to support many more formats with external data sources - for more inform..._spark reading太慢