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Opening socket connection to server :2181. Will not attempt to authenticate using SASL (unknown err
Spark mapPartitions 及mapPartitionsWithIndex算子
通过spark sql 将 hdfs上文件导入到mongodb
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. com/mongodb/util
贝叶斯朴素贝叶斯及调用spark官网 mllib NavieBayes示例