From spViewer Software:
CassandraPumper for Oracle is an innovative, powerful and convenient software product which is a part of spViewer Software BigData migration suite. It provides high-performance data migration functionality between Oracle and Apache Cassandra databases in two directions. With CassandraPumper GUI wizard you can easily perform data migration between Oracle table and Cassandra databases. You can create your custom data transformations on the fly and import several Oracle based data sources (based on your custom complex SQLs and CQLs) to Cassandra databases in parallel. All main Oracle data types (including XML, CLOB and BLOB) are supported for data migration to Cassandra and back. You are able also to view and manage Cassandra data and database objects. The data migration process can be parallelized up to 20 degrees providing a very high migration performance of big amounts of data.