After three years of improvement, the open supply Apache Cassandra 4.0 database is now usually obtainable.
Apache Cassandra is a distributed NoSQL database that was initially developed at Fb. Lately, the open supply expertise has obtained assist from a number of distributors which have additionally constructed business companies for the database.
Cloud service suppliers which have Apache Cassandra database-as-a-service choices embrace AWS and Microsoft, which entered the Cassandra section in March 2021. Past the massive public cloud suppliers, DataStax supplies a database-as-a-service that’s primarily based on Cassandra. Different distributors that present Cassandra as a service embrace Aiven, which raised $100 million in March, and Instaclustr.
Among the many new options in Cassandra 4.0, unveiled July 26, is digital tables, which supplies a database desk that’s outlined by an API, slightly than knowledge in a daily database desk.
One of many purposes for digital tables is to indicate configuration data or database metrics.
Full Question Logging (FQL) is one other new function; it allows Cassandra database directors to have a dwell log of queries from Cassandra Question Language requests. A key good thing about FQL is efficiency administration as a result of it helps directors to tune the database.