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JanusGraph: an open-source, distributed graph database
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ph1lm and FlorianHockmann external-locking configuration parameter is added which allows to dis…
…able build-in locking mechanism in JanusGraph for the case when locking is already provided by the application.

This allows to improve performance of underlying storage (Cassandra in our case) and doesn't make it perform redundant read-before-write operation for each column participated in transaction.

Signed-off-by: Pylyp Mykhailov <Pylyp_Mykhailov@comcast.com>
Latest commit 8321c11 May 14, 2019
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README.md

JanusGraph logo

JanusGraph is a highly scalable graph database optimized for storing and querying large graphs with billions of vertices and edges distributed across a multi-machine cluster. JanusGraph is a transactional database that can support thousands of concurrent users, complex traversals, and analytic graph queries.

Downloads Maven Javadoc Build Status Codecov Coverity Scan

Learn More

The project homepage contains more information on JanusGraph and provides links to documentation, getting-started guides and release downloads.

Visualization

To visualize graphs stored in JanusGraph, you can use any of the following tools:

Community

  • Chat: join us on Gitter

  • Stack Overflow: see the janusgraph tag

  • Twitter: follow @JanusGraph for news and updates

  • Mailing lists:

    • janusgraph-users (at) googlegroups.com (archives) for questions about using JanusGraph, installation, configuration, integrations

      To join with a Google account, use the web UI; to subscribe/unsubscribe with an arbitrary email address, send an email to:

      • janusgraph-users+subscribe (at) googlegroups.com
      • janusgraph-users+unsubscribe (at) googlegroups.com
    • janusgraph-dev (at) googlegroups.com (archives) for internal implementation of JanusGraph itself

      To join with a Google account, use the web UI; to subscribe/unsubscribe with an arbitrary email address, send an email to:

      • janusgraph-dev+subscribe (at) googlegroups.com
      • janusgraph-dev+unsubscribe (at) googlegroups.com

Contributing

Please see CONTRIBUTING.md for more information, including CLAs and best practices for working with GitHub.

Powered by JanusGraph

  • Windup by RedHat - application migration and assessment tool (website)

Users

The following users have deployed JanusGraph in production.

The following companies offer JanusGraph hosted as-a-service:

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