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  • 大小: 33KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-06-11
  • 語言: 其他
  • 標簽: MapReduce??

資源簡介

使用hadoop的eclipse插件開發的mapreduce程序,實現對數據的簡單統計處理,包括可視化結果

資源截圖

代碼片段和文件信息

package?call_key;

import?org.apache.hadoop.conf.Configuration;
import?org.apache.hadoop.fs.Path;
import?org.apache.hadoop.io.IntWritable;
import?org.apache.hadoop.io.Text;
import?org.apache.hadoop.mapreduce.Job;
import?org.apache.hadoop.mapreduce.Mapper;
import?org.apache.hadoop.mapreduce.Reducer;
import?org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import?org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import?org.apache.hadoop.util.GenericOptionsParser;

public?class?Call_analysis_driver?{

static?{??
????????try?{??
????????????System.load(“C:/hadoop/bin/hadoop.dll“);??
????????}?catch?(UnsatisfiedlinkError?e)?{??
??????????System.err.println(“Native?code?library?failed?to?load.\n“?+?e);??
??????????System.exit(1);??
????????}??
??????}

public?static?void?main(String[]?args)?throws?Exception?{
Configuration?conf?=?new?Configuration();

//修改job名字
Job?job?=?Job.getInstance(conf?“Call?date“);
job.setJarByClass(call_key.Call_analysis_driver.class);


//修改map和reduce的class
job.setMapperClass(Call_date_map.class);
job.setReducerClass(Count_number_reduce.class);

//修改輸出類型
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);

//修改輸出路徑
FileInputFormat.setInputPaths(job?new?Path(“hdfs://192.168.60.100:8020/call/key/input“));
FileOutputFormat.setOutputPath(job?new?Path(“hdfs://192.168.60.100:8020/call/key/call_date“));

if?(!job.waitForCompletion(true))
return;
}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????32716??2018-04-28?17:03??call_key.xlsx

?????文件????????442??2018-04-25?19:44??log4j.properties

?????文件??????25812??2018-04-28?23:38??有關114查詢的數據例子.txt

?????文件???????1558??2018-04-28?16:37??call_key\Call_analysis_driver.java

?????文件???????1310??2018-04-28?16:45??call_key\Call_date_map.java

?????文件????????875??2018-04-28?15:24??call_key\Call_distribution_map.java

?????文件???????1148??2018-04-28?16:13??call_key\Call_time_map.java

?????文件????????719??2018-04-28?15:24??call_key\Count_number_reduce.java

?????目錄??????????0??2018-04-28?16:31??call_key

-----------?---------??----------?-----??----

????????????????64580????????????????????9


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