hadoop administration tutorial

Trivial-hadoop 2.2.0 pseudo-distributed and fully distributed installation (centos6.4), centos6.4 installation tutorial The environment is centos6.4-32, hadoop2.2.0 Pseudo distributed document: http://pan.baidu.com/s/1kTrAcWB Fully Distributed documentation: http://pan.baidu.com/s/1hqIeBGw It is somewhat different from 1.x, 0. x, especially yarn. There is an episode here. When configuring yarn in full

Import--connect jdbc:mysql://localhost:3306/sqoop_test--username root--password root--table employee--hive-i Mport--hive-table hive_employee--create-hive-tablewarning:/usr/lib/sqoop/. /hive-hcatalog does not exist! Hcatalog jobs would fail. Please set $HCAT _home to the root of your hcatalog installation. Warning:/usr/lib/sqoop/. /accumulo does not exist! Accumulo imports would fail. Please set $ACCUMULO _home to the root of your Accumulo installation ...... ........... 14/12/02 15:12:13 INFO H

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Copy an object The content of the copied "input" folder is as follows: The content of the "conf" file under the hadoop installation directory is the same. Now, run the wordcount program in the pseudo-distributed mode we just built: After the operation is complete, let's check the output result: Some statistical results are as follows: At this time, we will go to the hadoop Web

Statement This article is based on CentOS 6.x + CDH 5.x In this example, Hbase is installed in cluster mode This article is based on maven3.5+ and Eclipse 4.3 After the tutorial, we must look at the following We do not build hbase to use the shell to check the data, we are writing HBase-based applications, so learning how to use Java to invoke HBase is a required course. Setting up the project open Eclipse to build a Maven pr

Testhivedrivertable1terry2alex3jimmy4mike5katerunning:select count (1) from TesthivedrivertableIn fact, the Java call is very simple, that is, you execute the statement in the hive shell with JDBC to do it again, so you transfer the past statement of the environment is the Hive server machine, which is written in the path from the hive server host root directory path to find data, So our a.txt has to be uploaded to the server, and this code will run normally.Resources Https://cwiki.apa

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Hadoop Big Data basic tutorial 11. jpg (17.57 KB, Downloads: 61) Download attachment Upload Course Instructor: CloudyCourse Category: Big DataTarget Audience: IntermediateLesson quantity: 120 lesson update degree: CompletedService Type: Class A (employment service courses)Technology used: Hadoop MapR

Hadoop Big Data 0 Basic Combat Training TutorialOne, tutorial content:1,hadoop2.0yarn Comprehensible Series2,avro Data Serialization System3,chukwa Cluster Monitoring System4,flume Log Collection System5,greenplum ArchitectureThe origins of 6,hadoop7,hadoop Commercial Application case8,hbase Case Study9,hbase Programming Practice10,mapreduce Multi-language progra

Hadoop tutorial (1) ---- use VMware to install CentOS 1. Overview My Learning Environment-install four CentOS systems (used to build a Hadoop cluster) under the vmwarevm. One of them is the Master, three are the Slave, and the Master is the NameNode in the Hadoop cluster, three Slave as DataNode. At the same time, we s

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Alex's Hadoop rookie Tutorial: 9th Sqoop1 exporting mysql from Hbase or Hive Today we will talk about how to use sqoop to export Hbase or Hive stuff to mysql. But I want to tell you in advance Currently, sqoop cannot export data directly from Hbase to mysql. Two tables must be created through Hive. One External table is based on this Hbase table, and the other is a pure hdfs-based hive native table, import

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