1. What is Sqoop?
Sqoop is a tool for data transfer between Apache Hadoop and structured data stores. It supports importing data from relational databases (such as MySQL and Oracle) into Hadoop, and also supports exporting data from Hadoop to relational databases.
2. Main characters
Database administrator: Responsible for managing relational databases and providing database connection information and access rights.
Hadoop administrator: Responsible for managing the Hadoop cluster and providing Hadoop connection information and access permissions.
Sqoop administrator: Responsible for configuring and managing Sqoop tools, including Sqoop installation, configuration, and management of import and export tasks.
Developer: Responsible for writing Sqoop import and export tasks, including data source selection, data conversion, and data output methods.
Operation and maintenance personnel: Responsible for monitoring the running status of Sqoop, including task execution, data transmission rate, etc.
3. Roles involved and their functions
Database administrator: Provides connection information and access rights to the relational database so that Sqoop can connect to the database and transmit data.
Hadoop administrator: Provides connection information and access rights to the Hadoop cluster so that Sqoop can connect to the Hadoop cluster and perform data transfer.
Sqoop administrator: Responsible for configuring and managing Sqoop tools, including Sqoop installation, configuration, and management of import and export tasks.
Developer: Write Sqoop import and export tasks, including data source selection, data conversion and data output method, to realize data transmission between Hadoop and relational database.
Operation and maintenance personnel: monitor the running status of Sqoop, including any