Riak KV
Key value databases
Database software
NoSQL databases
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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$2,800 per node per year
Free TrialFree version
Small
Medium
Large
- Banking and insurance
- Energy and utilities
- Transportation and logistics
What is Riak KV
Riak KV is a distributed key-value NoSQL database designed for applications that need high availability and horizontal scalability across multiple nodes and data centers. It is used by engineering teams to store and retrieve opaque values by key for workloads such as user profiles, session/state data, catalogs, and event metadata. Riak KV emphasizes fault tolerance through replication and tunable consistency, and it supports multi-datacenter replication for geo-distributed deployments. It is typically deployed and operated by teams that can manage cluster operations and application-level data modeling around a key-value access pattern.
High availability by design
Riak KV is built around replication and partitioning to continue serving reads and writes during node failures. It provides tunable consistency controls so teams can choose trade-offs between latency and consistency per operation. This design fits systems where uptime and predictable behavior under failure are primary requirements.
Multi-node horizontal scaling
Riak KV scales by adding nodes to a cluster, distributing data via consistent hashing. It supports rebalancing as capacity changes, which helps teams grow storage and throughput without redesigning the application. This aligns with key-value workloads that benefit from simple access patterns and distributed storage.
Cross-datacenter replication options
Riak KV supports multi-site replication capabilities used for geo-distributed architectures and disaster recovery. This can reduce recovery time objectives by keeping copies of data in separate locations. It is relevant for organizations that operate across regions and need resilience beyond a single cluster.
Limited query flexibility
Riak KV primarily supports key-based access, which limits ad hoc querying compared with databases that provide richer query languages and secondary indexing as a core strength. Applications often need to maintain additional indexes or use complementary systems for search and analytics. This increases development effort when requirements expand beyond simple key-value retrieval.
Operational complexity for teams
Running a distributed Riak KV cluster requires expertise in capacity planning, failure handling, monitoring, and repair workflows. Multi-datacenter replication adds additional operational considerations such as conflict handling and network planning. Teams without dedicated database operations experience may find managed alternatives easier to adopt.
Smaller ecosystem and momentum
Riak KV has a smaller community footprint than several widely adopted NoSQL platforms, which can affect availability of third-party tooling, integrations, and hiring pools. Some organizations also consider long-term product direction and support options when selecting a core datastore. These factors can increase perceived adoption risk for new deployments.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Riak KV Open Source | Free (Apache 2 license) | Downloadable, Apache-2 licensed open-source Riak KV (no fees listed). |
| Riak KV Developer | Price not listed (contact sales) | Developer-tier is described on the product site but no public price listed; contact Riak for pricing. |
| Riak KV Pro | Price not listed (contact sales) | Pro-tier described on the product site but no public price listed; contact Riak for pricing. |
| Riak KV Enterprise | Price not listed (contact sales) | Enterprise features (multi-datacenter replication, SLAs, 24×7 support) are documented; official site directs to contact sales for pricing. |
| Riak KV Enterprise Plus | Price not listed (contact sales) | Enterprise Plus adds baseline/annual health checks and higher SLAs; official site directs to contact sales for pricing. |
Official historical pricing (from Riak press release on Jan 14, 2014):
- Riak Starter — $2,800 per node/year (starting price).
- Riak Basic — $4,400 per node/year. (These figures appear in Riak's official 2014 press release.)
Seller details
Basho Technologies, Inc. (Riak KV); maintained as open source community software after Basho’s dissolution
Cambridge, Massachusetts, USA
2008
Open Source
https://riak.com/
