[Spark][Python][DataFrame][Write]DataFrame写入的例子
[Spark][Python][DataFrame][Write]DataFrame写入的例子 $ hdfs dfs -cat people.json {"name":"Alice","pcode":"94304"} {"name":"Brayden","age":30,"pcode":"94304"} {"name":"Carla","age":19,"pcoe":"10036"} {"name":"Diana","age":46} {"name":"Etienne","pcode":"94104"} $pyspark sqlContext = HiveContext(sc) peopleDF = sqlContext.read.json("people.json") peopleDF.write.format("parquet").mode("append").partitionBy("age").saveAsTable("people") 17/10/07 00:58:18 INFO storage.MemoryStore: Block broadcast_2 stored ...