Apache Cassandra vs ScyllaDB

Apache Cassandra

Distributed wide-column NoSQL for zero downtime

ScyllaDB

High-performance Cassandra-compatible database

Feature Apache Cassandra ScyllaDB
Category Databases Databases
Sub-category Column-Family Column-Family
Maturity mature stable
Complexity advanced advanced
Performance tier medium medium
License Apache-2.0 AGPL-3.0
License type permissive copyleft
Pricing fully free fully free
GitHub stars 9.0K 14.0K
Contributors 500 200
Commit frequency weekly weekly
Plugin ecosystem none none
Docs quality good good
Backing org Apache Foundation ScyllaDB
Funding model foundation vc_backed
Min RAM 4 GB 4 GB
Min CPU cores 4 4
Scaling pattern distributed distributed
Self-hostable Yes Yes
K8s native No No
Offline capable Yes Yes
Vendor lock-in none none
Languages Java C++
API type REST REST
Protocols HTTP HTTP
Deployment docker, apt, binary docker, apt, binary
SDK languages
Team size fit solo, small, medium, enterprise solo, small, medium, enterprise
First release 2020 2020
Latest version

When to use Apache Cassandra

  • Primary use: iot-data
  • Primary use: messaging-systems
  • Primary use: time-series

When to use ScyllaDB

  • Primary: low-latency-workloads
  • Primary: cassandra-replacement
  • Primary: real-time-applications

Apache Cassandra anti-patterns

ScyllaDB anti-patterns

  • AGPL license limits some use
  • Complex operations like Cassandra
  • Needs careful resource planning
Full Apache Cassandra profile → Full ScyllaDB profile → All comparisons