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文章 2017-11-21 来自：开发者社区

Hadoop MapReduce编程 API入门系列之MapReduce多种输入格式（十七）

代码 1 package zhouls.bigda...

文章 2017-11-21 来自：开发者社区

Hadoop MapReduce编程 API入门系列之统计学生成绩版本2（十八）

　　这里，为了空格符的差错，直接，我们有时候，像如下这样的来排数据。代码 package zhouls.bigdata.myMapReduce.Gender; ...

文章 2017-11-21 来自：开发者社区

Hadoop MapReduce编程 API入门系列之倒排索引（二十四）

2016-12-12 21:54:04,509 INFO [org.apache.hadoop.metrics.jvm.JvmMetrics] - Initializing JVM Metrics with processName=JobTracker, sessionId= 2016-12-12 21:54:05,166 WARN [org.apache.hadoop.mapreduce.Jo....

文章 2017-11-21 来自：开发者社区

Hadoop MapReduce编程 API入门系列之FOF（Fund of Fund）

代码 package zhouls.bigdata.myMapReduce.friend; import ...

文章 2017-11-21 来自：开发者社区

Hadoop MapReduce编程 API入门系列之压缩和计数器（三十）

生成的结果，作为输入源。 ...

文章 2017-11-20 来自：开发者社区

Hadoop MapReduce编程 API入门系列之wordcount版本1（五）

　　这个很简单哈，编程的版本很多种。代码版本1 1 package zhouls.bigdata.myMapReduce.wordcount5; 2 3 import java.io.IOException; 4 import java.util.StringTokenize...

文章 2017-11-20 来自：开发者社区

Hadoop MapReduce编程 API入门系列之wordcount版本2（六）

代码 1 package zhouls.bigdata.myMapReduce.wordcount4; 2 3 import java.io.IOException; 4 5 import org.apache.hadoop.io.IntWritable; 6 import org.apache.hadoop.io.LongWritable; 7 impo...

文章 2017-11-20 来自：开发者社区

Hadoop MapReduce编程 API入门系列之多个Job迭代式MapReduce运行（十二）

　　执行 2016-12-12 15:07:51,762 INFO [org.apache.hadoop.metrics.jvm.JvmMetrics] - Initializing JVM Metrics with processName=JobTracker, sessionId= 2016-12-12 15:07:52,197 WARN [org.apache.hadoop.m...

文章 2017-11-20 来自：开发者社区

Hadoop MapReduce编程 API入门系列之自定义多种输入格式数据类型和排序多种输出格式（十一）

自定义输入格式，将明星微博数据排序后按粉丝数关注数微博数分别输出到不同文件中。代码 1 package zhouls.bigdata.myMapReduce.ScoreCount; 2 3 import...

文章 2017-11-20 来自：开发者社区

Hadoop MapReduce编程 API入门系列之二次排序（十六）

2016-12-12 17:04:32,012 INFO [org.apache.hadoop.metrics.jvm.JvmMetrics] - Initializing JVM Metrics with processName=JobTracker, sessionId= 2016-12-12 17:04:33,056 WARN [org.apache.hadoop...

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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