Varselect too slow to read data

ShifuML / shifu

An end-to-end machine learning and data mining framework on Hadoop

https://github.com/ShifuML/shifu/wiki

Apache License 2.0

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Open Liu-Delin opened 3 years ago

Liu-Delin commented 3 years ago

It takes minutes to read 5000 lines of data. We need to find the reason why it is slow.