DolphinDB review
A distributed time-series platform for complex streaming, scaling, and analytics workloads.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
DolphinDB is a distributed time-series database and real-time analytics platform for organizations handling large volumes of structured or streaming data. Its feature set is aimed at financial institutions and operational teams in energy, manufacturing, transportation, and utilities. The platform combines SQL-compatible queries, DolphinDB scripting, batch processing, streaming tables, streaming engines, distributed computing, high availability, and horizontal scaling. It supports cloud and self-hosted deployments, along with API and web access.
Pricing is structured around a free Community Edition and paid plans handled through contact sales. The Community Edition includes a perpetual license, up to 2 nodes, and up to 2 CPU cores and 8 GB RAM per node. That makes the free tier relevant for smaller deployments, development, or evaluation within its stated capacity. Larger implementations can be matched to paid offerings through the vendor, while an Enterprise Trial is also documented as part of the product’s commercial path. Organizations should assess their expected node, compute, memory, retention, and availability requirements before choosing an edition.
DolphinDB’s ecosystem is a strong fit for teams that need several ingestion and access options. Python support covers data transfer, script execution, batch processing, and stream subscription, while MQTT supports publishing, subscribing, and CSV/JSON parsing. Additional integrations include C++, C#, Java, JavaScript, R, JDBC, REST, ODBC, Grafana, and Kafka. High-availability solutions cover controllers, data nodes, streaming, and API clients. Choose DolphinDB when distributed streaming analytics and operational controls matter; simpler projects with modest capacity needs may find the Community Edition’s limits restrictive.
DolphinDB pros and cons
- Where it wins
- Distributed storage with horizontal scaling and data rebalancing
- Streaming engines, retention policies, and tiered storage
- Broad APIs, languages, and messaging integrations
- Where it doesn't
- Community Edition is limited to 2 nodes
- Each Community Edition node allows up to 2 CPU cores and 8 GB RAM
- Paid pricing requires contacting sales
DolphinDB fact sheet, pricing and score →
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