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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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Release： 2016-06-06 09:38:11
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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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spark mysql 优化 数据
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