BlazeGraph vs Cosmos DB
BlazeGraph is a rdf database; Cosmos DB is a multiple database. BlazeGraph (2007, GPL-2.0, Java) ranks #78 this month; Cosmos DB (2014-08, Proprietary, C++) ranks #29. They differ on 25 of 46 surveyed features.
| Attribute | BlazeGraph | Cosmos DB |
|---|---|---|
| At a glance | ||
| Rank | #78 | #29 |
| Score | 41.4 | 54.1 |
| GitHub stars | 987 | — |
| Popularity | 53.6 | 53.8 |
| Activity | 30.5 | 49.9 |
| Community | 34.7 | 39.1 |
| Research | 50.0 | 87.7 |
| Fundamentals | ||
| Description | An RDF database supporting billions of edges on a single machine. Uses an alternative approach to RDF reification that enables property graph-like capabilities. Notable as the backend for Wikidata's query service. | A globally distributed multi-model database service on Microsoft Azure with property graph support through the Apache Gremlin API. Offers multi-region replication and multiple consistency models. |
| Vendor | SYSTAP | Microsoft |
| Model | RDF | Multiple |
| Kind | database | database |
| Category | Established | Enterprise |
| First released | 2007 | 2014-08 |
| Status | inactive — Last release in 2019. Project largely dormant, though still used by Wikidata. | active |
| License | GPL-2.0 | Proprietary |
| Written in | Java | C++ |
| Query languages | SPARQL, Gremlin | Gremlin, SQL |
| gdotv support | yes | yes |
Feature scores 25 of 46 rows differ
| Feature | BlazeGraph | Cosmos DB |
|---|---|---|
| Community & Business | ||
| Active development | · | ✓ |
| Commercial support | · | ✓ |
| Live community | 0.25 | 0.5 |
| Open Source | ✓ | · |
| Pricing | · | ✓ |
| Trendiness | ✓ | ✓ |
| Deployment | ||
| Containerization | · | 0.5 |
| Work as dedicated instance | ✓ | ✓ |
| Work as embedded | ✓ | · |
| Testing in-memory version | · | ✓ |
| Platform | ||
| Operating on Linux | 0.75 | · |
| Operating on Windows | 0.75 | ✓ |
| SaaS offering | · | ✓ |
| Operations | ||
| Automatic updates | · | ✓ |
| Client side caching | · | · |
| Data versioning support | · | · |
| Live backups | · | ✓ |
| Distribution | ||
| Cluster Re-balancing | · | 0.5 |
| Data Distribution | ✓ | ✓ |
| High-Availability | ✓ | ✓ |
| Query Distribution | ✓ | ✓ |
| Replication support | ✓ | ✓ |
| Developer Experience | ||
| Data types defined | 0.5 | · |
| Logging/Auditing | ✓ | ✓ |
| Object-Graph Mapper | · | ✓ |
| Reactive programming | · | ✓ |
| Documentation up-to-date | ✓ | ✓ |
| Binary protocol | ✓ | · |
| CLI | ✓ | ✓ |
| GUI | ✓ | ✓ |
| Data Model | ||
| Multi-database | · | ✓ |
| Graph-native data | ✓ | · |
| REST API | ✓ | ✓ |
| Query Language | ✓ | ✓ |
| Transactions | ||
| Granular locking | · | · |
| Multiple isolation levels | ✓ | ✓ |
| Read committed transaction | ✓ | ✓ |
| Transaction support | ✓ | 0.5 |
| Schema & Security | ||
| Constraints | · | · |
| Schema support | · | · |
| Secondary indexes | ✓ | ✓ |
| Server side procedures | ✓ | ✓ |
| Triggers | · | ✓ |
| Authentication | · | ✓ |
| Authorization | · | ✓ |
| Data encryption | · | ✓ |
Links
- BlazeGraph · website · github · full profile
- Cosmos DB · website · full profile