Heroku Postgres is a reliable and powerful database-as-a-service based on PostgreSQL that supports Ruby, Node.js, Python, and Java.
The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.
Bring all your Cassandra data to Amazon Redshift
Load your Cassandra data to Google BigQuery
ETL all your Cassandra data to Snowflake
Move your Cassandra data to MySQL