Build HAWQ Data Warehouse based on "centos-7+ Ambari 2.7.0 + HDP 3.0"--MARIADB installation Configuration

First, install and use MARIADB as the storage database for Ambari, Hive, Hue.

Yum Install mariadb-server mariadb

Start, view status, check if MARIADB is installed successfully

Systemctl Start Mariadbsystemctl Status mariadb

Second, the configuration mariadb

1, first stop the operation of the MARIADB service

Systemctl Stop MARIADB

2, edit/etc/my.cnf under the [Mysqld] section, add the following lines of line configuration:

Transaction-isolation = read-550= O_direct

After you save the exit, configure the MARIADB service to boot up and restart the MARIADB

Systemctl Enable Mariadbsystemctl start mariadb

3, run MARIADB Security Configuration script/usr/bin/mysql_secure_installation, [email protected], password is set to Hadoop

/usr/bin/mysql_secure_installation

Authorize user root to connect to MySQL server from any host using password passwd

Mysql-uroot-'root'@'%'* * * * ' With GRANT option;flush privileges;

Install MySQL JDBC Driver connection MariaDB

Download, unzip, copy Mysql-connector-java-5.1.46-bin.jar to/usr/share/java/, and rename:

wget https://dev.mysql.com/get/downloads/connector-j/mysql-connector-java-5.1.46.tar.gz  tar zxvf mysql-connector-java-5.1. . Tar . gzcd MySQL-connector-java-5.1. /CP mysql-connector-java-5.1. -bin.jar/usr/share/java/mysql-connector-java.jar

Build HAWQ Data Warehouse based on "centos-7+ Ambari 2.7.0 + HDP 3.0"--MARIADB installation Configuration