关于 scala:shark/spark 在查询表时抛出 NPE apache-sparkclassnotfoundexceptionnullpointerexceptionscalashark-sql
关于 scala:found: org.apache.spark.sql.Dataset[(Double, Double)] 需要: org.apache.spark.rdd.RDD[(Double, Double)] apache-sparkapache-spark-sqlrddscalaspark-dataframe
关于 pyspark:如何在 Spark Streaming 中仅在新批次上重新训练模型(不采用以前的训练数据集)? apache-sparkapache-spark-mllibpysparkspark-streaming