hadoop项目-阿里云

【细节拉满】Hadoop课程设计项目，使用idea编写基于MapReduce的学生成绩分析系统(附带源码、项目文件下载地址)（四）

3.4.6 统计每门课程信息(Ci)package couerse_info; import org.apache.hadoop.io.LongWritable; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce...

大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第一阶段

33 课时 |

283 人已学 |

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大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第二阶段

28 课时 |

248 人已学 |

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大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第三阶段

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92 人已学 |

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【细节拉满】Hadoop课程设计项目，使用idea编写基于MapReduce的学生成绩分析系统(附带源码、项目文件下载地址)（三）

3.4.4 统计每门课程中相同分数分布情况(Css)package course_score_same; import org.apache.hadoop.io.LongWritable; import org.apache.hadoop.io.Text; import org.apach...

【细节拉满】Hadoop课程设计项目，使用idea编写基于MapReduce的学生成绩分析系统(附带源码、项目文件下载地址)（二）

3.4 六个mapreduce3.4.1 计算每门成绩的最高分、最低分、平均分(Mma)package max_min_avg; import org.apache.hadoop.io.LongWritable; import org.apache.hadoop.io.Text; impo...

【细节拉满】Hadoop课程设计项目，使用idea编写基于MapReduce的学生成绩分析系统(附带源码、项目文件下载地址)（一）

1 数据源(学生成绩.csv)💥 旧坑勿踩：可以复制下面数据，粘贴到txt里把文件拓展格式改为csv，在上传至Hadoop平台之前一定要确保文件的编码方式为utf-8(否则中文会乱码)，具体操作为使用记事本打开学生成绩.csv文件，看右下角的编码方式，如果不是utf-8则可以将文件另存为时修改其编...

[帮助文档] 如何使用一个Hadoop集群为所有项目创建计算源从而提供计算与存储资源

概述本文为您介绍Dataphin如何使用一个Hadoop集群为所有项目创建计算源从而提供计算与存储资源。详细信息1.Dataphin一个计算源只可以被一个项目所绑定。2.通过创建不同的Hive DB从而创建不同的计算源来达到一个Hadoop集群创建多个计算源从而为不同的项目提供存储和计算的需求。适用...

Hadoop基础-05-HDFS项目(词频统计)

源码见：https://github.com/hiszm/hadoop-trainHDFS项目实战需求分析使用HDFS Java API 才完成HDFS文件系统上的额文件的词频统计例子/test/1.txt==> ' hello world'/test/2.txt==> ' hello ...

Windows 上利用Maven 构建Hadoop项目报错?报错

16/09/24 17:29:06 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 16...

myEclipse 10 下运行Hadoop项目报错？?报错

16/09/28 16:15:18 ERROR util.Shell: Failed to locate the winutils binary in the hadoop binary path java.io.IOException: Could not locate executable nu...

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更新时间 2024-02-20 14:29:56

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