Fast, Distributed Graph DB
Clone or download
Permalink
Failed to load latest commit information.
.github/ISSUE_TEMPLATE Some more changes in the templates. Sep 14, 2018
.travis Remove dashboard specific code from Dgraph. Also build binary for rat… Dec 18, 2017
algo Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
bp128 Ignore the generated .s files Dec 20, 2017
conn Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
contrib Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
dgraph Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
edgraph Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
gql Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
lex Switch Dgraph back to Apache 2.0 (#2652) Oct 11, 2018
posting Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
present Changing DGraph to Dgraph Jun 22, 2016
protos Switch back to gofast, which uses Go protobuf library. Oct 16, 2018
query Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
raftwal Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
rdf Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
schema Switch Dgraph back to Apache 2.0 (#2652) Oct 11, 2018
static Add note and gif about loader performance. Dec 23, 2016
systest all: fix go get install (#2658) Oct 11, 2018
task Switch Dgraph back to Apache 2.0 (#2652) Oct 11, 2018
tok Switch Dgraph back to Apache 2.0 (#2652) Oct 11, 2018
types Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
vendor Created make files for building binaries (#2637) Oct 9, 2018
wiki Fix small typo in go client docs (#2663) Oct 16, 2018
worker Only send to applyCh if we have any committed entries. Oct 15, 2018
x Switch Dgraph back to Apache 2.0 (#2652) Oct 11, 2018
xidmap Fixed all warnings found by `go vet`. (#2656) Oct 11, 2018
.codeclimate.yml See what code climate can do for Dgraph Jan 3, 2017
.gitignore Add idea file to gitignore Mar 27, 2018
.travis.yml Remove artifacts. Jun 26, 2018
APACHE-2.0.txt Switch licensing from Apache 2.0 to AGPLv3. Mar 27, 2017
CHANGELOG.md Update CHANGELOG for v1.0.9. Oct 3, 2018
CONTRIBUTING.md Update Makefiles and CONTRIBUTING.md regarding license. Oct 11, 2018
LICENSE.md Switch Dgraph back to Apache 2.0 (#2652) Oct 11, 2018
Makefile Update Makefiles and CONTRIBUTING.md regarding license. Oct 11, 2018
README.md Switch Dgraph back to Apache 2.0 (#2652) Oct 11, 2018
logo.png Update README with logo, and version. Nov 18, 2017
test.sh Rename function from 'startCluster' to 'restartCluster' Sep 10, 2018

README.md

Fast, Transactional, Distributed Graph Database.

Wiki Build Status Coverage Status Go Report Card Slack Status

Dgraph is a horizontally scalable and distributed graph database, providing ACID transactions, consistent replication and linearizable reads. It's built from ground up to perform for a rich set of queries. Being a native graph database, it tightly controls how the data is arranged on disk to optimize for query performance and throughput, reducing disk seeks and network calls in a cluster.

Dgraph's goal is to provide Google production level scale and throughput, with low enough latency to be serving real time user queries, over terabytes of structured data. Dgraph supports GraphQL-like query syntax, and responds in JSON and Protocol Buffers over GRPC and HTTP.

Status

Dgraph is at version 1.0.0 and is production ready.

Quick Install

The quickest way to install Dgraph is to run this command on Linux or Mac.

curl https://get.dgraph.io -sSf | bash

Install with Docker

If you're using Docker, you can use the official Dgraph image.

docker pull dgraph/dgraph:latest

Install from Source

If you want to install from source, you can use go get to install to $GOPATH/bin.

go get -u -v github.com/dgraph-io/dgraph/dgraph

Get Started

To get started with Dgraph, follow:

Is Dgraph the right choice for me?

  • Do you have more than 10 SQL tables, connected to each other via foreign ids?
  • Do you have sparse data, which doesn't correctly fit into SQL tables?
  • Do you want a simple and flexible schema, which is readable and maintainable over time?
  • Do you care about speed and performance at scale?

If the answers to the above are YES, then Dgraph would be a great fit for your application. Dgraph provides NoSQL like scalability while providing SQL like transactions and ability to select, filter and aggregate data points. It combines that with distributed joins, traversals and graph operations, which makes it easy to build applications with it.

Dgraph compared to other graph DBs

Features Dgraph Neo4j Janus Graph
Architecture Sharded and Distributed Single server (+ replicas in enterprise) Layer on top of other distributed DBs
Replication Consistent None in community edition (only available in enterprise) Via underlying DB
Data movement for shard rebalancing Automatic Not applicable (all data lies on each server) Via underlying DB
Language GraphQL inspired Cypher, Gremlin Gremlin
Protocols Grpc / HTTP + JSON / RDF Bolt + Cypher Websocket / HTTP
Transactions Distributed ACID transactions Single server ACID transactions Not typically ACID
Full Text Search Native support Native support Via External Indexing System
Regular Expressions Native support Native support Via External Indexing System
Geo Search Native support External support only Via External Indexing System
License Apache 2.0 GPL v3 Apache 2.0

Users

Developers

Unofficial Client Libraries

The Dgraph team maintain a number of officially supported client libraries. The following libraries are contributed by the community.

C# .NET

Contact