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

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520 open issues indexed

Optimize retrieval of entity fields from index backends Open

index/elasticsearch index/lucene index/solr kind/performance

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

JanusGraph/janusgraph#1681 · 1 reaction · Opened Jul 20, 2019
Optimize ElasticSearch search queries to not always use Scroll API Open

index/elasticsearch kind/performance

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

JanusGraph/janusgraph#1680 · 7 comments · 1 reaction · Opened Jul 20, 2019
Version 0.4.0 does not return results with websocket connection Open

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

JanusGraph/janusgraph#1674 · 8 comments · Opened Jul 18, 2019
Can the storage backends of JanusGraph be BerkeleyDB not BerkeleyDB JE ? Open

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

JanusGraph/janusgraph#1670 · 2 comments · 1 reaction · Opened Jul 14, 2019
Delete property and add same name property in one transaction cant delete index data Open

area/index kind/bug/possible

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

JanusGraph/janusgraph#1642 · 1 comment · Opened Jun 27, 2019
Add additional HBASE jobs for cron and [full build] Open

area/testing storage/hbase

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

JanusGraph/janusgraph#1638 · 2 comments · Opened Jun 24, 2019
Docs - different perspective Open

area/docs

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

JanusGraph/janusgraph#1633 · 2 comments · Opened Jun 19, 2019
g.V().bothE().hasId(within(ids)) not working Open

kind/bug/possible

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

JanusGraph/janusgraph#1632 · 1 comment · Opened Jun 18, 2019
Update release prepare command Open

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

JanusGraph/janusgraph#1628 · 1 comment · Opened Jun 17, 2019
Deadlock when concurrent node modification in berkeley Open

storage/berkeleydb

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

JanusGraph/janusgraph#1623 · 7 comments · Opened Jun 14, 2019
Consecutive creation and deletion of Template/graph on remote server causes NullPointerException server side Open

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

JanusGraph/janusgraph#1622 · 2 comments · 2 reactions · Opened Jun 14, 2019
Change sleepycat.je dependency to a something available in Maven Central Open

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

JanusGraph/janusgraph#1621 · 1 comment · Opened Jun 13, 2019
Support local linting jobs that match codacy rules. Open

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

JanusGraph/janusgraph#1613 · Opened Jun 4, 2019
Duplicate deletions are swallowed by the consolidation mechanism for Cardinality.LIST in single transaction Open

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

JanusGraph/janusgraph#1608 · Opened May 29, 2019
Janus graph with Cassandra query returning inconsistent vertices Open

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

JanusGraph/janusgraph#1607 · Opened May 29, 2019
Caused by: java.lang.IllegalStateException: Multiple properties exist for the provided key, use Vertex.properties(lang) Open

kind/bug/possible

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

JanusGraph/janusgraph#1587 · 2 comments · Opened May 16, 2019
Stop using deprecated Solr features Open

index/solr kind/cleanup

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

JanusGraph/janusgraph#1584 · Opened May 15, 2019
Enable janusgraph.sh as an init script Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

JanusGraph/janusgraph#1580 · 1 reaction · Opened May 13, 2019
Create a play with docker button Open

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

JanusGraph/janusgraph#1579 · 2 reactions · Opened May 13, 2019
pre-packaged distribution discussion from chapter 7 to chapter 3 of the docs Open

Difficulty 1/5 Under an hour Newbie friendliness 62/100

JanusGraph/janusgraph#1578 · Opened May 13, 2019
Possible incosistency in chapter 5 documentation Open

good first issue help wanted

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

JanusGraph/janusgraph#1573 · 2 comments · Opened May 12, 2019
Use indices for TinkerPop Text Predicates Open

area/tinkerpop kind/enhancement kind/performance

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

JanusGraph/janusgraph#1565 · 9 comments · 1 reaction · Opened May 9, 2019
Add phrase search and wildcard support to ES client Open

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

JanusGraph/janusgraph#1557 · Opened May 7, 2019
ConfiguredGraphFactory.getGraphNames() cannot get latest graphNames in GremlinExecutorGraphBinder class Open

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

JanusGraph/janusgraph#1556 · 1 comment · 3 reactions · Opened May 7, 2019
hasId does not convert int to Long Open

area/core help wanted kind/enhancement

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

JanusGraph/janusgraph#1554 · 2 comments · Opened May 6, 2019
Transaction commits sensitive to system time differences of janusgraph clients Open

area/core help wanted

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

JanusGraph/janusgraph#1552 · Opened May 5, 2019
Graph does not support adding vertices Open

area/hadoop kind/bug/possible

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

JanusGraph/janusgraph#1549 · 6 comments · Opened Apr 30, 2019
Solr tests fail when run without Docker Open

area/testing index/solr

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

JanusGraph/janusgraph#1546 · Opened Apr 26, 2019
Create documentation and scripts to create deb packages Open

area/server kind/enhancement

JanusGraph/janusgraph#1541 · 1 assignee · Opened Apr 23, 2019
Create noarch rpm spec for rpm creation Open

area/server kind/enhancement

JanusGraph/janusgraph#1540 · 1 assignee · Opened Apr 23, 2019
Using adjacent queries for Partitioned Vertices does not work correctly Open

area/tinkerpop kind/bug/confirmed

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

JanusGraph/janusgraph#1533 · 5 comments · Opened Apr 17, 2019
Permanent failure in storage backend CassandraThriftStoreManager.mutateMany(CassandraThriftStoreManager.java:315) Open

kind/bug/possible storage/cassandra

Difficulty 4/5 3-5 days Newbie friendliness 20/100

JanusGraph/janusgraph#1526 · 3 comments · Opened Apr 9, 2019
FulgoraGraphComputer fails with OOM Open

area/core kind/bug/possible

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

JanusGraph/janusgraph#1524 · Opened Apr 8, 2019
CacheVertex leads to inconsistent behavior Open

area/core kind/bug/possible

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

JanusGraph/janusgraph#1522 · 2 comments · Opened Apr 5, 2019
Enable serialization of JanusGraph element types Open

area/core area/tinkerpop kind/enhancement

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

JanusGraph/janusgraph#1519 · Opened Apr 1, 2019
Adding support for custom edge ids Open

kind/enhancement

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

JanusGraph/janusgraph#1514 · 7 comments · 7 reactions · Opened Mar 28, 2019
Flaky Cassandra test: testIndexUpdatesWithReindexAndRemove Open

storage/cassandra testing/flaky

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

JanusGraph/janusgraph#1498 · 5 comments · Opened Mar 18, 2019
Flaky Cassandra test: testEdgeTTLTiming Open

storage/cassandra testing/flaky

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JanusGraph/janusgraph#1497 · 2 comments · Opened Mar 18, 2019
Flaky ConfiguredGraphFactoryTest: graphConfigurationShouldBeWhatWeExpectWhenUsingTemplateConfiguration Open

area/core testing/flaky

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JanusGraph/janusgraph#1495 · 1 comment · Opened Mar 17, 2019
Rolling back at the beginning of every request cause huge overhead Open

area/core kind/question

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

JanusGraph/janusgraph#1485 · Opened Mar 11, 2019
Add a schema constraints option to graph of the gods load Open

area/core kind/enhancement

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

JanusGraph/janusgraph#1476 · 2 comments · Opened Mar 5, 2019
Read time out while fetching all edges of a SuperNode Open

kind/performance

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

JanusGraph/janusgraph#1467 · 8 comments · Opened Mar 4, 2019
Flaky Cassandra test: testVertexTTLImplicitKey Open

storage/cassandra testing/flaky

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

JanusGraph/janusgraph#1465 · 2 comments · Opened Mar 4, 2019
Flaky Cassandra test: testVertexTTLWithCompositeIndex Open

storage/cassandra testing/flaky

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

JanusGraph/janusgraph#1464 · 1 comment · Opened Mar 4, 2019
Flaky Cassandra test: testEdgeTTLWithTransactions Open

storage/cassandra testing/flaky

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

JanusGraph/janusgraph#1462 · 1 comment · Opened Mar 1, 2019
Flaky HBase test: containsKeyColumnReturnsFalseOnNonexistentInput Open

storage/hbase testing/flaky

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

JanusGraph/janusgraph#1461 · Opened Mar 1, 2019
Flaky Berkeley test: JanusGraphOperationCountingTest.testIdCounts Open

testing/flaky

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JanusGraph/janusgraph#1459 · 2 comments · Opened Mar 1, 2019
Flaky Cassandra test: JanusGraphTest.simpleLogTest Open

storage/cassandra testing/flaky

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

JanusGraph/janusgraph#1457 · 2 comments · Opened Mar 1, 2019
Flaky testMultipleReadersOnSingleLogSerial Open

storage/cassandra testing/flaky

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JanusGraph/janusgraph#1445 · Opened Feb 26, 2019
some strange nodes Open

kind/bug/possible

Difficulty 5/5 Over a week Newbie friendliness 15/100

JanusGraph/janusgraph#1439 · Opened Feb 23, 2019

JanusGraph/janusgraph

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