hive Download:
http://www.apache.org/dyn/closer.cgi/hive/
Installation Deployment:
Extracting hive source:
sudo tar -zxvf ./apache-hive-1.2.1-bin.tar.gz -C / usr / local # extract to / usr / local in CD / usr / local / the sudo Music Videos Apache -hive-1.2.1- bin hive # folder name to Hive sudo chown -R dblab: dblab hive # modify file permissions
Configuration environment variable:
export HIVE_HOME=/usr/local/hive
export PATH=$PATH:$HIVE_HOME/bin
Save and exit, running source ~/.bashrcconfiguration to take effect immediately.
Modify /usr/local/hive/confhive-site.xml under
The hive-default.xml.template rename hive-default.xml; create a new file touch hive-site.xml, and hive-site.xml paste the following configuration:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>javax.jdo.option.ConnectionURL</name>
<value>jdbc:mysql://localhost:3306/hive?createDatabaseIfNotExist=true</value>
<description>JDBC connect string for a JDBC metastore</description>
</property>
<property>
<name>javax.jdo.option.ConnectionDriverName</name>
<value>com.mysql.jdbc.Driver</value>
<description>Driver class name for a JDBC metastore</description>
</property>
<property>
<name>javax.jdo.option.ConnectionUserName</name>
<value>hive</value>
<description>username to use against metastore database</description>
</property>
<property>
<name>javax.jdo.option.ConnectionPassword</name>
<value>hive</value>
<description>password to use against metastore database</description>
</property>
</configuration>
View hive is successfully installed:
First, under the hive before starting to run Hadoop, Hadoop into the sbin directory under the installation directory, enter the command to start
./start-all.sh
Enter the hive installation directory, enter the command
bin/hive
Basic operation of the hive:
Hive> Show Databases; // check the database Hive> use default ; // open the default database Hive> Show the Tables; // view the default database tables Hive> the Create the Table Student (the above mentioned id int , String name); // create a table hive> Show tables; // Check database contains several tables hive> desc student; // view of the structure of the student table hive> iNSERT iNTO student values (1000, "SS"); // insert data into the table one hive > the SELECT * from Student; // data query tables hive> quit; // exit the hive
Mysql installation configuration
Use the following command to install
APT- sudo GET Update # source software update
sudo APT -get install mysql-Server install mysql #
Mysql server startup and shutdown
service mysql start
service mysql stop
Confirm that started successfully:
sudo netstat -tap | grep mysql
mysql nodes in the LISTEN state indicates a successful start
Enter the mysql shell interface:
mysql -u root -p
Download mysql jdbc package:
MySQL-Connector--zxvf the tar-5.1.40 Java .tar.gz decompression #
CP MySQL -connector-Java-5.1.40 / MySQL 5.1.40-Connector-Java--bin.jar / usr / local / Hive / lib # the mysql-connector-java-5.1.40- bin.jar copied to the / usr / local / hive / lib directory
Start and log mysql shell:
service mysql start # start mysql service
mysql -u root -p # login shell interface
New hive database:
mysql> create database hive; # the hive in the database and hive-site.xml localhost: 3306 / hive to hive corresponds to the metadata stored hive
Mysql configuration allows access hive:
mysql> grant all on * * to hive @ localhost identified by 'hive';. # all permissions for all tables in all databases assigned to the user hive, the hive is configured behind hive- connection password site.xml configured
MySQL > flush privileges; # refresh system permissions table mysql
Start hive, before starting the first open Hadoop
Start- all.sh # start hadoop
hive start hive #