当我阅读火花源代码
here时,我看到像$(a_variable)这样的代码.
这是什么意思?
这是什么意思?
final val blockSize: IntParam = new IntParam(this,"blockSize","Block size for stacking input data in matrices. Data is stacked within partitions." + " If block size is more than remaining data in a partition then " + "it is adjusted to the size of this data. Recommended size is between 10 and 1000",ParamValidators.gt(0)) /** @group getParam */ final def getBlockSize: Int = $(blockSize)
解决方法
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