hive-Metastore-site.xml

The hive-metastore-site.xml is a configuration file used by the Hive Metastore service in Apache Hive. The Metastore is a central repository that stores metadata information about Hive tables, partitions, and databases.

The hive-metastore-site.xml file contains configuration properties that define how the Hive Metastore service runs. These properties include the database and table configurations, the location of the Hive Metastore service, the type of database used to store the metadata, and security settings.

Here is an example of a hive-metastore-site.xml file:

<?xml version="1.0"?>
<configuration>
  <property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://localhost/metastore_db?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>hiveuser</value>
    <description>username to use against metastore database</description>
  </property>
  <property>
    <name>javax.jdo.option.ConnectionPassword</name>
    <value>password</value>
    <description>password to use against metastore database</description>
  </property>
</configuration>

This configuration file specifies that the Hive Metastore service will use a MySQL database to store its metadata. It also defines the connection settings for the database, including the URL, driver name, username, and password.

Overall, the hive-metastore-site.xml file is an important configuration file for managing the Hive Metastore service, and it should be configured carefully to ensure the proper functioning of the Hive service.