JanusGraph/janusgraph

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JanusGraph: an open-source, distributed graph database

Stars: 5.8k
Forks: 1.2k
Open beginner issues: 5
Indexed issues: 520
Avg merge: 13h 53m
Merged PRs (30d): 6

Dominant language: Java
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue hacktoberfest

Beginner friendly Everything

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520 open issues indexed

Not able to delete ghost vertices caused by stale index Open

kind/bug/confirmed

JanusGraph/janusgraph#1099 · 33 comments · 1 assignee · Opened Jun 6, 2018
Lucene index returns incorrect results with has(SCORE_FIELD, lt(0.01d)) Open

index/lucene kind/bug/possible

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1093 · 1 comment · Opened May 31, 2018
Flaky Solr test Open

index/solr testing/flaky

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#1091 · 3 comments · Opened May 30, 2018
Document monitoring with Prometheus Open

area/docs help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JanusGraph/janusgraph#1087 · 4 comments · 8 reactions · Opened May 29, 2018
Rollback documentation and code inconsistency Open

area/docs Hacktoberfest help wanted

Difficulty 1/5 Under an hour Newbie friendliness 38/100

JanusGraph/janusgraph#1077 · 2 comments · Opened May 21, 2018
how to remove RelationshipIndex schema Open

kind/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#1076 · Opened May 19, 2018
Add support for Solr authentication Open

index/solr kind/enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

JanusGraph/janusgraph#1056 · 5 comments · Opened May 9, 2018
Importing data using spark with exception Open

area/spark

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#1055 · 3 comments · Opened May 9, 2018
LogProcessor is not processing event logs from beginning. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1053 · 1 comment · Opened May 7, 2018
Solr index contains stale values after vertex property is updated Open

index/solr

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1050 · 1 comment · Opened May 4, 2018
GraphMLReader cannot interpret id attribute of node element in GraphML as long value Open

kind/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1035 · 4 comments · Opened Apr 25, 2018
Transaction cache cannot be disabled Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1033 · Opened Apr 24, 2018
Add continuous integration testing on Windows Open

area/testing

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#1032 · 1 comment · Opened Apr 23, 2018
Documentation doesn't cover migration between storage backends or mixing them Open

area/docs

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1030 · 2 comments · Opened Apr 22, 2018
Examples of gremlin statements in the guide and online require futher guidance for usage with the getting started guide's environment Open

area/docs

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#1029 · Opened Apr 22, 2018
Getting started guide doesn't say what to do if the guide doesn't work Open

area/docs

Difficulty 5/5 Over a week Newbie friendliness 25/100

JanusGraph/janusgraph#1028 · 3 comments · Opened Apr 22, 2018
JanusGraph API makes it hard in the getting started guide for a newbie to visually distinguish their required input vs the Gremlin prompt Open

area/docs

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

JanusGraph/janusgraph#1027 · 4 comments · 5 reactions · Opened Apr 22, 2018
Janus produces warnings yet the guide suggests none will occur Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

JanusGraph/janusgraph#1026 · 1 comment · Opened Apr 22, 2018
Evaluation-focussed getting started guide did not include instructions regarding the need for and installation of the JDK Open

area/docs

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JanusGraph/janusgraph#1025 · 3 comments · Opened Apr 22, 2018
The online presence of JanusGraph doesn't rapidly guide users into exploring the features and costs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JanusGraph/janusgraph#1024 · 2 comments · Opened Apr 21, 2018
Tests fail on Windows due to usage of Unix-style path separators Open

area/testing

Difficulty 1/5 Under an hour Newbie friendliness 45/100

JanusGraph/janusgraph#1019 · 2 comments · 1 reaction · Opened Apr 18, 2018
It could be ConcurrentModificationException... Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1017 · Opened Apr 16, 2018
Split large tests into multiple smaller tests Open

area/testing kind/cleanup

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JanusGraph/janusgraph#1015 · Opened Apr 16, 2018
Janus shutdown hook cannot be disabled and logs unwatned warnings Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#1007 · 2 comments · Opened Apr 13, 2018
JanusGraphVertexDeserializer discards vertices without properties and edges Open

kind/bug/possible

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JanusGraph/janusgraph#1002 · Opened Apr 10, 2018
Suggested ConfiguredGraphFactory.create() enhancement Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JanusGraph/janusgraph#995 · Opened Apr 5, 2018
Corrupted data & index after simultaneous vertex delete and indexed property update Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JanusGraph/janusgraph#994 · Opened Apr 5, 2018
Corrupted data after simultaneous vertex delete and edge creation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#993 · 10 comments · Opened Apr 5, 2018
hbase ttl does not take effect totally Open

storage/hbase

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JanusGraph/janusgraph#990 · 8 comments · Opened Apr 4, 2018
Vertex TTL does not remove indexed value from ES mixed index Open

index/elasticsearch kind/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#987 · 4 comments · Opened Apr 3, 2018
range(low, high) doesn't work with mixed index Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#986 · 6 comments · Opened Apr 2, 2018
Closing partitionVertexIdPool when VertexIDAssigner is closed Open

kind/bug/possible

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JanusGraph/janusgraph#979 · Opened Mar 29, 2018
Connection timeout ignored by CQL backend Open

storage/cassandra

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

JanusGraph/janusgraph#971 · 1 comment · Opened Mar 28, 2018
Automatic detection and forced closing of a dead instance Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JanusGraph/janusgraph#963 · 1 comment · 6 reactions · Opened Mar 26, 2018
JanusGraph OLAP on vanilla Spark cluster Open

area/spark

Difficulty 4/5 3-5 days Newbie friendliness 38/100

JanusGraph/janusgraph#959 · Opened Mar 24, 2018
Support BigDecimal as a native type Open

kind/enhancement

JanusGraph/janusgraph#956 · 1 assignee · Opened Mar 20, 2018
Support ByteBuffer as a native type Open

kind/enhancement

JanusGraph/janusgraph#955 · 1 assignee · Opened Mar 20, 2018
Improve quick start distribution support for Windows Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JanusGraph/janusgraph#950 · 1 comment · 3 reactions · Opened Mar 15, 2018
VertexProgram Fails to Persist Multiproperties (FulgoraGraphComputer) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JanusGraph/janusgraph#943 · 4 comments · Opened Mar 2, 2018
coding problem with htable Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#941 · 3 comments · Opened Feb 28, 2018
Does modifying an edge property delete the edge and create a new one? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#934 · 1 comment · 3 reactions · Opened Feb 20, 2018
Speed up label count performance Open

kind/enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

JanusGraph/janusgraph#926 · 13 comments · 10 reactions · Opened Feb 10, 2018
Traversal skip records when multiply has steps is used by indexed fields. Open

kind/bug/possible

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JanusGraph/janusgraph#918 · 7 comments · Opened Feb 7, 2018
transaction log uses QUORUM rather than LOCAL_QUORUM Open

kind/bug/possible

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JanusGraph/janusgraph#913 · 9 comments · 1 reaction · Opened Feb 4, 2018
inconsistencies when add/remove with cassandrathrift Open

kind/bug/possible storage/cassandra

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JanusGraph/janusgraph#912 · Opened Feb 2, 2018
JanusGraph 0.2.0 OLAP is not compatible with Hbase 1.1.2 Open

storage/hbase

Difficulty 4/5 3-5 days Newbie friendliness 15/100

JanusGraph/janusgraph#908 · 1 comment · Opened Jan 25, 2018
Make documentation mobile-friendly Open

area/docs

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JanusGraph/janusgraph#903 · Opened Jan 21, 2018
Invalidating db-cache for select vertices only Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JanusGraph/janusgraph#901 · 1 comment · 1 reaction · Opened Jan 19, 2018
Support multi datacenter Open

area/docs index/solr kind/enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

JanusGraph/janusgraph#894 · 6 reactions · Opened Jan 18, 2018
Support 'custom partitionKey and custom clusteringKey' as DSE Graph Open

kind/enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

JanusGraph/janusgraph#889 · 3 comments · Opened Jan 16, 2018

JanusGraph/janusgraph

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