kafka+Spark+Hive+Hdfs模拟实时数据接入并汇总输出,pyspark结合kafka实现wordcount,pyspark读取hdfs文件并导入到hive中,spark,big data...
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文章浏览阅读1.5k次，点赞6次，收藏3次。以此记录自己的笔记，并跟大家分享，还有很多优秀文章，喜欢的话点个关注哦~Hadoop[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-JZjDk7aR-1617108053818)(C:\Users\......
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RDD 中的 reducebyKey 与 groupByKey 哪个性能高？,spark相关优化,在spark中采用sc.hadoopConfiguration进行数据传输java.lang.IllegalArgumentException: Can not create a Path from,大数据,spark,hbase...
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spark_sql案例之流量统计DSL,spark_sql案例之流量统计,saprk：计算连续登陆3天及以上的用户,spark,log4j,hadoop...
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文章浏览阅读44次。import org.apache.log4j.{Level, Logger}import org.apache.spark.rdd.RDDimport org.apache.spark.{SparkConf, SparkContext}object RDDdEMO { Logger.getLogger("org").setLevel(Level.ERROR) def main(args: Array[String]): Unit = { val conf: SparkConf =new...
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文章浏览阅读73次。import org.apache.kafka.clients.consumer.ConsumerRecordimport org.apache.kafka.common.serialization.StringDeserializerimport org.apache.spark.SparkConfimport org.apache.spark.rdd.RDDimport org.apache.spark.streaming.{Seconds, StreamingContext}import o...
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文章浏览阅读73次。import org.apache.kafka.clients.consumer.ConsumerRecordimport org.apache.kafka.common.serialization.StringDeserializerimport org.apache.spark.SparkConfimport org.apache.spark.rdd.RDDimport org.apache.spark.streaming.{Seconds, StreamingContext}import o...
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Spark之Spark Streaming,Spark之SparkSQL,Spark之行动算子,spark,big data,hadoop...
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大数据 IMF传奇 sparkpi 运行5万次,大数据 IMF传奇行动 如何 搭建 8台设备的 hadoop分布式集群,（scala书籍编写）word 2007 目录格式乱的解决办法：编辑word 宏...
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文章浏览阅读359次。SparkSQL编程（1）一、SparkSession二、DataFrame1.创建DataFrame①通过数据源创建DataFrame②从RDD转换创建DataFrame1.方式一：Case Class方式2.方式二：createDataFrame方式③从Hive Table查询创建2.使用SQL风格编程① 对DataFrame创建......
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文章浏览阅读73次。import org.apache.spark.SparkConfimport org.apache.spark.streaming.dstream.{DStream, ReceiverInputDStream}import org.apache.spark.streaming.{Seconds, StreamingContext}//只算当前批次object wordandcount { def main(args: Array[String]): Unit = { val conf:...
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文章浏览阅读73次。import org.apache.spark.SparkConfimport org.apache.spark.streaming.dstream.{DStream, ReceiverInputDStream}import org.apache.spark.streaming.{Seconds, StreamingContext}//只算当前批次object wordandcount { def main(args: Array[String]): Unit = { val conf:...
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Spark学习笔记(15)——广播变量,Spark学习笔记(14)——累加器,Spark学习笔记(13)——RDD文件读取与保存,大数据,spark...
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Spark学习之路——9.Spark ML,Spark学习之路——8.Spark MLlib,Spark学习之路——7.Spark SQL,基本概念,Spark...
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Logstash，Filebeat，Spark Streaming，Kafka简要,spark streaming启动失败，报错：Cannot run program “python3“,spark启动失败：requirement failed: No output operations registered, so nothing to execute,spark...
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