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spark_sql_project's Introduction

Spark_SQL_Project

SparkSql

SparkSql离线日志分析：使用Scala语言开发

需求分析

  1. 网站用户访问时间段分析
  2. 网站用户地址分布城市统计分析

数据清洗

  1. 对不规则数据进行剔除，抽取有用字段存入HDFS文件系统中
  2. 使用第三方工具ipdatabase进行ip地址的解析

数据分析

使用SparkSql对需求进行分析并且存入关系型数据库中

SparkWeb

数据可视化结果展示：使用Java Web开发

需求一结果展示

timeTopn

需求二结果展示

cityTopn

性能调优

  1. 控制文件输出的大小：coalesce
  2. 并行度：spark.sql.shuffle.partitions（参数调优）
  3. 分区字段类型推测（在指定分区时可以设置为false，默认为true）：spark.sql.sources.partitionColumnTypeInference.enabled（参数调优）

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spark_sql_project's Issues

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