MapReduce
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MapReduce 求平均数
import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.FloatWritable;import org.apache.hadoop.io.LongWrita...原创 2018-11-29 11:21:31 · 667 阅读 · 0 评论 -
MapReduce hdfs to hbase
package sitech;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.hbase.HBaseConfiguration;import org.a...原创 2019-03-28 17:33:47 · 223 阅读 · 0 评论 -
MapReduce hbase to hdfs
hbase 表数据如下具体代码：import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.hbase.HBaseConfiguration;import ...原创 2019-03-27 16:02:23 · 187 阅读 · 0 评论 -
MapReduce hdfs 写入 hbase 表
文件内容如下：入hbase 表依赖jar 包<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ...原创 2019-03-27 15:59:26 · 282 阅读 · 0 评论 -
MapReduce hdfs文件写入hbase表
@[TOMapReduce hdfs文件写入hbase表import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.Path;import org.apache.hadoop.hbase.HBaseConfiguration;import org.apache.hadoop.hbase.client.Put...原创 2019-03-29 17:17:25 · 305 阅读 · 0 评论 -
mapreduce HDFS 写入hbase 表中
import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.Path;import org.apache.hadoop.hbase.HBaseConfiguration;import org.apache.hadoop.hbase.client.Put;import org.apache.hadoop....原创 2019-03-29 17:12:09 · 246 阅读 · 0 评论 -
MapReduce 单表关联
package sitesh;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.Text;import org.apache.hadoop.mapr...原创 2019-03-04 17:40:20 · 435 阅读 · 0 评论 -
MapReduce 两个表关联
package sitesh;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.Text;import org.apache.hadoop.mapr...原创 2019-03-08 15:50:42 · 487 阅读 · 0 评论 -
MapReduce hbaseToHdfs
package sitech;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.hbase.HBaseConfiguration;import org.a...原创 2019-01-23 16:58:43 · 175 阅读 · 0 评论 -
MapReduce多表关联实测
两个表 a 表 name id b 表 id addressa b 代码import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io....原创 2018-12-11 10:08:13 · 455 阅读 · 0 评论 -
MapReduce例子
//MapReduce 排序例子import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.IntWritable;import org.apache.ha...原创 2018-11-27 17:25:07 · 202 阅读 · 0 评论 -
parquet 形式MapReduce hbase 数据写入hdfs
package com.sitech;import com.google.common.collect.Lists;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.h...原创 2019-05-28 10:40:40 · 535 阅读 · 0 评论