ScyllaDB
Key value databases
Wide column database software
Database as a service (DBaaS) providers
Database software
NoSQL databases
Serial number database software
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What is ScyllaDB
ScyllaDB is a distributed NoSQL wide-column database designed for low-latency, high-throughput workloads. It targets teams building always-on applications that need horizontal scaling and multi-datacenter replication, such as real-time analytics, IoT, user activity tracking, and messaging backends. ScyllaDB is compatible with the Cassandra Query Language (CQL) and related drivers, and it is implemented in C++ with a shard-per-core architecture. The vendor also offers a managed cloud service (ScyllaDB Cloud) for running ScyllaDB as a DBaaS.
Cassandra-compatible query and drivers
ScyllaDB supports CQL and is designed to work with the Cassandra ecosystem of drivers and tooling. This can reduce application changes when migrating from Cassandra-like wide-column deployments. It also supports common wide-column patterns such as partition keys, clustering keys, and tunable consistency. Compatibility is not identical across all features, but the core API alignment is a practical advantage for many teams.
High-throughput distributed architecture
ScyllaDB uses a shard-per-core design and asynchronous I/O to reduce coordination overhead inside a node. This architecture is intended to deliver predictable latency under high concurrency for write-heavy and mixed workloads. It supports horizontal scaling by adding nodes and rebalancing data across the cluster. For organizations comparing distributed NoSQL options, this focus on per-node efficiency can translate into fewer nodes for a given workload, depending on schema and access patterns.
Managed DBaaS option available
ScyllaDB Cloud provides a managed service option for provisioning, scaling, and operating ScyllaDB clusters. This can offload routine operational tasks such as upgrades, backups, and monitoring from internal teams. A managed offering is useful for organizations that want the wide-column model without running their own distributed database infrastructure. It also provides a path to standardize environments across development and production.
Operational complexity for self-managed
Running ScyllaDB on your own infrastructure still requires distributed-systems expertise, including capacity planning, compaction tuning, and failure-domain design. Data modeling is sensitive to partitioning choices, and poor schema design can cause hotspots and performance instability. Multi-datacenter deployments add additional considerations around consistency levels and repair processes. Teams without prior wide-column experience may face a learning curve.
Limited fit for relational needs
ScyllaDB is not a relational database and does not provide SQL joins, foreign keys, or multi-row transactional semantics comparable to OLTP relational systems. Applications that require complex ad-hoc querying across many entities often need additional systems or denormalized data models. Secondary indexing and filtering patterns are more constrained than in document or relational databases. This can increase application-side complexity for certain workloads.
Feature parity varies by interface
While ScyllaDB emphasizes Cassandra compatibility, not every Cassandra feature or third-party integration behaves identically. Organizations migrating from existing Cassandra deployments typically need to validate driver behavior, query patterns, and operational tooling in staging. Some advanced capabilities may require ScyllaDB-specific configuration or alternatives. This verification effort can extend migration timelines.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| ScyllaDB Cloud — Standard | No public list price — estimated via Cloud Calculator; on-demand (hourly) and reserved options available | Fully managed on AWS & GCP; Multi-AZ active-active; automated backups; detailed monitoring; 2 hour 8x5 P1 support. |
| ScyllaDB Cloud — Professional | Get a Quote / Contact Sales | Everything in Standard plus multi-region active-active HA/DR; BYOA (Bring Your Own Account); flexible backup & maintenance windows; 1 hour 24x7 P1 support; 99.9% uptime SLA. |
| ScyllaDB Cloud — Premium | Get a Quote / Contact Sales | Everything in Professional plus BYOK, advanced user management (SSO & sub-accounts), advanced networking options; 15-minute 24x7 P1 response; 99.99% uptime SLA. |
| ScyllaDB Enterprise | Get a Quote / Contact Sales | Self-managed or on-prem; 24x7 support, professional services, tested binaries; source-available enterprise edition (free tier limits apply). |
| ScyllaDB Open Source | Free download (no charge) | Open-source edition available for production; community support and downloads (binary packages, AMIs, containers). |
Notes:
- ScyllaDB Cloud pricing is metered and can be consumed as on-demand hourly, annual reserved (upfront or billed monthly), and newer Flex Credit model (reserved + flex capacity). Use the ScyllaDB Cloud pricing calculator or contact sales for precise estimates.
- ScyllaDB Cloud offers a free trial (no credit card required) and one free trial per account. ScyllaDB Enterprise offers a 30-day free trial; ScyllaDB Open Source is available for free download.
Seller details
ScyllaDB, Inc.
Sunnyvale, CA, USA
2012
Private
https://www.scylladb.com/
https://x.com/scylladb
https://www.linkedin.com/company/scylladb/
