apache/cassandra

Health v2 · maintenance only

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Adoption not part of the score

10082 stars · 4104 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Apache Cassandra is an open-source NoSQL distributed wide-column database written in Java, designed for linear scalability and fault tolerance across commodity hardware or cloud infrastructure. Its masterless, multi-datacenter replication architecture delivers high availability and low latency for mission-critical workloads, surviving regional outages without data loss.

Use cases

• store massive amounts of data with linear scalability
• run a highly available database that survives datacenter outages
• replicate data across multiple datacenters with low latency
• handle high-write-throughput workloads on commodity hardware
• deploy a fault-tolerant NoSQL database in the cloud or on-premises
• query large datasets with a SQL-like language (CQL)

When to choose

• you need massive write throughput and horizontal scalability
• high availability and multi-datacenter replication are requirements
• your data model fits a JOINless, key-oriented schema
• you want a proven, battle-tested open-source database with no single point of failure

When to avoid

• you need complex multi-table joins or relational constraints
• your dataset is small enough for a single-node relational database
• you require strong consistency across all writes by default
• you need ad-hoc analytical queries over frequently changing schemas

Facets

application · maturity stable

database caching monitoring security databases microservices big-data backend cloud-computing jvm cloud self-hosted cross-platform nosql wide-column-store masterless-replication cql high-availability multi-datacenter distributed-database linux docker

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