-02-06 17:41/user/test_hiveCan see the creation of a folder belonging to HTTPFS. ABC Open File upload a text file from the background test.txt to the/USER/ABC directory, the content isHello world!Access with HTTPFS[[email protected] hadoop-httpfs]# curl-i-x GET "http://xmseapp03:14000/webhdfs/v1/user/abc/test.txt?op=open User.name=httpfs "http/1.1 okserver:apache-coyote/1.1set-cookie:hadoop.auth=" u=httpfsp=httpfst= Simplee=1423574166943s=jtxqijusblvb
Basic Hadoop tutorial
This document uses the Basic Environment configuration of the K-Master server as an example to demonstrate user configuration, sudo permission configuration, network configuration, firewall shutdown, and JDK installation. Follow these steps to complete KVMSlave1 ~ The Basic Environment configuration of the KVMSlave3 server.Development Environment
Hardware environment: Four CentOS 6.5
This installation and setup tutorial applies to servers using Windows2003 as the operating system, with the purpose of enabling the server to support common network programming languages including ASP, PHP, and. Net1.1,. Net2.0, support common databases including access, MySQL, MSSQL, support FTP, support common components including AspJpeg, JMail, lyfupload, dynamic, Isapi_rewrite.
This
For the cool dog software users to detailed analysis of the Cool dog network settings to share the tutorial.
Tutorial Sharing:
Network type: Refers to the user's own network type. C: Refers to the user in the local area network, such as now is only used LAN Internet access; Outside a, inside a: Refers to users using public network IP Internet. If the download is slow or cannot be downloaded, you c
Follow the Hadoop installation tutorial _ standalone/pseudo-distributed configuration _hadoop2.6.0/ubuntu14.04 (http://www.powerxing.com/install-hadoop/) to complete the installation of Hadoop, My system is hadoop2.8.0/ubuntu16.
Hadoop Installation
are going to install our Hadoop lab environment on a single computer (virtual machine). If you have not yet installed the virtual machine, please check out the VMware Workstations Pro 12 installation tutorial. If you have not installed the Linux operating system in the virtual machine, please install the Ubuntu or CentOS tutorial under VMware.
The installed mode
Cloudera, compilation: importnew-Royce Wong
Hadoop starts from here! Join me in learning the basic knowledge of using hadoop. The following describes how to use hadoop to analyze data with hadoop tutorial!
This topic describes the most important things that users face when u
-distributed mode on a single node, where each Hadoop daemon runs as a standalone Java process.ConfigurationUse the following:Etc/hadoop/core-site.xml:123456Etc/hadoop/hdfs-site.xml:Interested can continue to see the next chapter
Many people know that I have big data training materials, all naïve thought I have a full set of big data development,
processing of batch and interactive data. TEZ is being adopted by other frameworks in Hive, Pig, and Hadoop ecosystems, and can also be used as the underlying execution engine with other commercial software, such as ETL tools, to replace Hadoop MapReduce. ZooKeeper: A high-performance distributed application Coordination Service. (The contents of the ZooKeeper are described in later chapters)
Alex's Hadoop cainiao Tutorial: 7th Sqoop2 export tutorial, hadoopsqoop2
Take over the previous lesson. Now let's talk about the export tutorial.Check connection
First, check whether there are available connection connections. If not, create a connection based on the method of the previous lesson.
sqoop:000> show connector --all1 connector(s) to show: Connector
Alex's Hadoop cainiao Tutorial: tutorial 10th Hive getting started, hadoophiveInstall Hive
Compared to many tutorials, I first introduced concepts. I like to install them first, and then use examples to introduce them. Install Hive first.
First confirm whether the corresponding yum source has been installed, if not as written in this
prompts to entersqoop:000> Create job--xid 1--type exportcreating job for connection with ID 1Please fill following values to create New job Objectname:export to Employeedatabase configurationschema name:table name:employeetable SQL statement:table Co Lumn names:stage table name:clear Stage table:input configurationinput directory:/user/alexthrottling resourcesextract Ors:Loaders:New job is successfully created with validation status FINE and persistent ID 3Perform this tasksqoop:000> Start Jo
Compared with many tutorials, Hive has introduced concepts first. I like to install them first, and then use examples to introduce concepts. Install Hive first. Check whether the corresponding yum source has been installed. If the yum source blog. csdn. netnsrainbowarticledetails42429339hive is not installed according to the yum source file written in this tutorial
Compared with many tutorials, Hive has introduced concepts first. I like to install the
Take over the previous lesson. Now let's talk about exporting the tutorial and check the connection to see if there is any available connection. If not, create a sqoop: 000showconnector -- all1connector (s) toshow according to the method in the previous lesson: connectorwithid1: Name: generic-jdbc-connectorClass: org. apache. sqoop. c
Take over the previous lesson. Now let's talk about exporting the tutorial
same name.) )Let the user gain administrator privileges:[Email protected]:~# sudo vim/etc/sudoersModify the file as follows:# User Privilege SpecificationRoot all= (All) allHadoop all= (All) allSave to exit, the Hadoop user has root privileges.3. Install JDK (use Java-version to view JDK version after installation)Downloaded the Java installation package and installed it according to the installation tutorial
Alex's Hadoop cainiao Tutorial: 7th Sqoop2 import tutorial, hadoopsqoop2
For details about the installation and jdbc driver preparation, refer to section 6th. Now I will use an example to explain how to use sqoop2.Data Preparation
There is a mysql table named worker, which contains three pieces of data. We want to import it to
your cluster, and that installing a Hadoop cluster typically extracts the installation software to all the machines in the cluster, referring to the previous section, "Installation configuration on Apache Hadoop single node."Typically, a machine in a cluster is designated as a NameNode and another machine as a ResourceManager. These are all master. Other services, such as the WEB application proxy server a
/mapreduce/hadoop-mapreduce-examples-2.7.3.jar grep input Output ' dfs[a-z. +1(7) View output fileCopy the output file from the Distributed file system to the local file system view:$ bin/hdfs dfs-get Output output$ cat output/*****12Alternatively, view the output file on the Distributed File system:$ Bin/hdfs Dfs-cat output/*1(8) After completing all the actions, stop the daemon:$ sbin/stop-dfs.sh* * You need to learn to continue reading the next cha
configuration file are:
Run the ": WQ" command to save and exit.
Through the above configuration, we have completed the simplest pseudo-distributed configuration.
Next, format the hadoop namenode:
Enter "Y" to complete the formatting process:
Start hadoop!
Start hadoop as follows:
Use the JPS command that comes with Java to query all daemon processes:
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