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Blazegraph™ Database is an ultra high-performance graph database supporting Blueprints and RDF/SPARQL APIs. It supports up to 50 Billion edges on a single machine and has a High Availability and Scale-out architecture and, now, GPU Acceleration. It is in production use for Fortune 500 customers such as EMC, Autodesk, and many others.
This is a major release of Blazegraph™. The official release is now made into the Git repository:
Blazegraph Features (
2.1.4 is a maintenance release for 2.1.2 release. It is recommended that all users upgrade to 2.1.4. See
Sign up to stay in touch with Blazegraph:
Starting points:
Blazegraph Wiki:
Blazegraph Blog:
Blazegraph JIRA:
Blazegraph Support:
Public Code Samples:
Blazegraph TDF Server:
Python Client:
DotNetRDF Client:
Download Blazegraph now:
Checkout the latest source code:
git clone -b BLAZEGRAPH_RELEASE_2_1_4 --single-branch BLAZEGRAPH_RELEASE_2_1_4
Security Reporting
Blazegraph has an updated security reporting procedure. Please see for reporting security related issues. This process is monitored on a daily basis. All security reports are acknowledged within 24 hours. Mitigations for reported security issues are made in a reasonable timeframe, which may be as quickly as 24 hours for high-severity issues.
Release Notes - Blazegraph (by SYSTAP) - Version BLAZEGRAPH_2_1_4
** Bug
* [BLZG-533] - Vector the query engine on the native heap
* [BLZG-2041] - BigdataSail should not locate the AbstractTripleStore until a connection is requested
** Improvement
* [BLZG-2053] - Blazegraph Security Reporting Instructions
** Task
* [BLZG-2050] - Fork Colt Libraries to remove hep.aida
* [BLZG-2065] - Remove Autojar and Unused Ant Scripts
* [BLZG-2074] - Benchmark 2.1.4 Release
** Sub-task
* [BLZG-2023] - com.bigdata.btree.IndexInconsistentError: Index is in error state
* [BLZG-2042] - Using constant BIND slows down query 10x