It is a data transfer tool in the Hadoop ecosystem, which is a Java-based, console-mode application
It efficiently transfers the bulk data between Apache Hadoop and structured data stores such as relational databases namely, MySQL, Oracle, etc.
It is an extremely fast, efficient, versatile, robust, and cost-effective way of data transfer.
Fast data analysis
Balancing of load
Parallel data transfer
Copying data fast
Import results of SQL query
Support for accumulo