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hadoop基础
hadoop基础
【Hadoop学习笔记】——
Hadoop基础
Hadoop
是一个用Java实现的分布式
基础
框架,也可以看做是一个支持开发、运行由通用计算设备组成的大型集群上的分布式应用的平台。
Hadoop
中的两个最重要的组件—HDFS和MapReduce就是用来解决海量数据(分布式)存储、海量数据(分布式)计算的。...
原创
Hadoop基础
题库
Hadoop基础
Doug Cutting所创立的项目的名称都受到其家人的启发,以下项目不是由他创立的项目是 A.Hadoop B.Nutch C.Lucene D.Solr 答案:D 配置Hadoop时,JAVA_HOME包含在哪一个配置文件中 A.hadoop-default.xml B.hadoop-env.sh C...
Hadoop基础
-01-基本概念
https://blog.csdn.net/jankin6/category_10362674.html源码见 https://github.com/hiszm/
hadoop
-train大数据概述导学学习内容
Hadoop
分布式文件系统HDFS分布式资源调度YARN分布式计算机框架MapReduce数据仓库Hive
Hadoop
分布式集群搭建环境...
Hadoop基础
-03-HDFS(Hadoop Distributed File System)基本概念
env.cmd
hadoop
-policy.xml log4j.properties yarn-env.sh hdfs-site.xml mapred-env.cmd yarn-site.xml[
hadoop
@
hadoop
000
hadoop
]$pwd/home/
hadoop
/app/
hadoop
-2.6.0-cdh5.15.1/etc/
hadoop
[
hadoop
@
hadoop
000
hadoop
]$sudo vi
hadoop
-env....
10分钟大数据
Hadoop基础
入门
usr/local/
hadoop
/share/
hadoop
/common/*,/usr/local/
hadoop
/share/
hadoop
/common/lib/*,/usr/local/
hadoop
/share/
hadoop
/hdfs/*,/usr/local/
hadoop
/share/
hadoop
/hdfs/lib/*,/usr/local/
hadoop
/share/
hadoop
/mapreduce/*,/usr/local/...
Hadoop基础
-04-HDFS API编程
} }true Process finished with exit code 0[
hadoop
@
hadoop
000 sbin]$
hadoop
fs-ls/Found 4 items-rw-r-r-1
hadoop
supergroup 1366 2020-08-17 21:35/README.txt drwxr-xr-x-
hadoop
supergroup 0 2020-08-17 21:48/hdfs-test drwxr-xr-x-...
Hadoop基础
-06-HDFS数据读写
源码见:https://github.com/hiszm/
hadoop
-trainHDFS写数据HDFS读数据元数据HDFS的目录结构以及每个文件的BLOCK信息(id,副本系数,存储的位置[{
hadoop
/tmp/dir }]/name/.)CheckpointSaveMode
《Hadoop大数据分析与挖掘实战》——第2章
Hadoop基础
本节书摘来自华章社区《Hadoop大数据分析与挖掘实战》一书中的第2章
Hadoop基础
,作者张良均 樊哲 赵云龙 李成华,更多章节内容可以访问云栖社区“华章社区”公众号查看 第2章
Hadoop基础
大数据是指无法在一定时间内用常规软件工具对其内容...
《Hadoop海量数据处理:技术详解与项目实战(第2版)》一基础篇:
Hadoop基础
基础篇:
Hadoop基础
Hadoop海量数据处理:技术详解与项目实战(第2版)本书的第一部分相当于工具的使用手册,将会介绍Hadoop的核心组件:HDFS、YARN、MapReduce、Hive、Sqoop和HBase,并在此基础上,进一步学习Hadoop性能调优和运维。...
Hadoop基础
-05-HDFS项目(词频统计)
源码见:...client/2.6.0-cdh5.15.1/
hadoop
-client-2.6.0-cdh5.15.1.jar:/Users/jacksun/.m2/repository/org/apache/
hadoop
/
hadoop
-common/2.6.0-cdh5.15.1/
hadoop
-common-2.6.0-cdh5.15.1.jar:/Users/jacksun/.m2/repository/...
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中小企业自建Hadoop集群上云解决方案
基于阿里云 E-MapReduce 、OSS 、边缘网络加速等产品及服务,帮助自建 Hadoop 用户快速构建云上半托管开源大数据平台,帮助客户更加便捷地迭代企业大数据平台架构,聚焦业务价值开发。
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中小企业自建Hadoop集群上云解决方案
基于阿里云 E-MapReduce 、OSS 、边缘网络加速等产品及服务,帮助自建 Hadoop 用户快速构建云上半托管开源大数据平台,帮助客户更加便捷地迭代企业大数据平台架构,聚焦业务价值开发。
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