spark从mysql数据库读取1000万条数据运行速度很慢如何优化-Mysql Tutorial-php.cn

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spark从mysql数据库读取1000万条数据运行速度很慢如何优化

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Jun 06, 2016 am 09:38 AM

sparkmysql优化数据

使用dataframe从mysql数据库中读取一张有1000万条记录的表读取数据非常的慢有什么办法能优化呢求助啊级

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