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)
Install mongoDB in windows (decompress version) to close the service tutorial. Decompress mongodb
I am going to put the database on disk D, so I created a mongoDB folder under disk D, and created the mongoDB folder and mongoDBdata folder respectively under it, which are use
Installing the Hadoop tutorial on WindowsSee 2010.1.6 www.hadoopor.com/[email protected]1. Installing the JDKInstalling the JRE is not recommended, but it is recommended to install the JDK directly because the JRE can be installed at the same time when the JDK is installed. The development of the MapReduce program and the compilation of Hadoop depend on the JDK,
Hadoop instance video tutorial-in-depth development of hadoopWhat is hadoop, why learning hadoop?Hadoop is a distributed system infrastructure developed by the Apache Foundation. You can develop distributed programs without understanding the details of the distributed underl
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
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
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
inserted to be displayed.> Db.user.insert ({"Name": "Liruihuan"}) Writeresult ({"ninserted": 1}) > show dbsadmin 0.000GBliruihuan 0.000GBlocal 0.000GBNote: in MongoDB, the default database is test, and if you do not create any databases, the collection is saved in the test database.2.2. Delete DatabaseMongoDB uses a command to delete an existing dropDatabase() database.FormatDb.dropdatabase ()ExampleFirst look at the list of databases using sho
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
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
MongoDB Tutorial: MongoDB cluster and replica set
Concepts
For MongoDB Data Disaster Tolerance, the recommended mode is the replica set mode. It has an external Primary server Primary and N replica servers Secondary (N> = 1, when N = 1, an arbitration server (Arbiter) is required. When N> 1, Arbiter is not required. Th
Insert () methodTo insert data into a MongoDB collection, you need to use the MongoDB Insert () or Save () method.GrammarThe basic syntax for the Insert () command is as follows:>db. Collection_name. Insert(document) Example>Db.MyCol.Insert({_id: ObjectId(7df78ad8902c),Title: ' MongoDB Overview ', Description: ' Mong
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
Mongodb database adding System Service tutorial, mongodb System Service 1. Create the mongod file in the/etc/init. d directory and grant the correct permissions:
root@ubuntu:/etc/init.d# touch mongodroot@ubuntu:/etc/init.d# chmod 755 mongod
2. Edit the mongod File
#!/bin/sh### BEGIN INIT INFO# Provides: mongod# Required-Start: $local_fs $syslog# Required-St
Tags: style http color ar using strong SP div on, you can refer to my workaround when you use the net START command when you add a service with the following code.D:\mongodb>mongod- -dbpath D:\mongodb\data --logpath d:\ Mongodb\log\mongodb. Log --logappend --serviceName MongoDB
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.