apache/hugegraph

View on GitHub

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

Stars: 3.2k
Forks: 637
Open beginner issues: 1
Indexed issues: 346
Avg merge: 3d 18h
Merged PRs (30d): 23

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 20, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

Open All

338 open issues indexed

[Bug] PD reports "Started" and keeps serving after failing to open its RocksDB (lock held by the previous instance): every request fails, /v1/health stays 200, no retry, no exit Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/hugegraph#3226 · Opened Sep 21, 2026
[Bug] HStore accepts writes with the default serializer=text and then fails every read with BufferUnderflowException; the backend should require serializer=binary Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

apache/hugegraph#3225 · Opened Sep 21, 2026
[Bug] HStore: data written by 1.7.0 under the missing graph id 0xFFFE becomes unreachable once master allocates a real graph id (raft log replay at the upgrade restart, or the first batch write); no migration path for #3153 Open

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

apache/hugegraph#3224 · Opened Sep 21, 2026
[Rust roadmap] OLTP and storage workload baselines plus rolling-upgrade/rollback requirements for HStore and PD Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

apache/hugegraph#3223 · 1 comment · Opened Sep 20, 2026
[Bug] A single-node PD never recovers raft leadership after a failed periodic snapshot (disk full), even once the disk is freed; /v1/health stays 200 and /v1/ready hides the error state Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/hugegraph#3222 · 1 comment · Opened Sep 20, 2026
[Feature] Server needs a storage-aware readiness signal (readiness stays green with zero Stores) Open

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

apache/hugegraph#3212 · 2 comments · Opened Sep 16, 2026
[Feature] Run the PD, Store and Server images as a non-root user Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

apache/hugegraph#3211 · 1 comment · Opened Sep 16, 2026
[Feature] Add a DECIMAL (BigDecimal) property data type for exact amounts Open

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

apache/hugegraph#3206 · Opened Sep 14, 2026
[Improve] Restore selective property pushdown with complete label index coverage Open

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

apache/hugegraph#3201 · Opened Sep 10, 2026
[Improve] Align struct ConditionQuery resolution with server semantics Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/hugegraph#3200 · Opened Sep 10, 2026
[Improve] Avoid per-element condition resolution in LocalContainsStep Open

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

apache/hugegraph#3196 · Opened Sep 9, 2026
[Bug] describe the main problem Open

bug

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

apache/hugegraph#3172 · 2 comments · Opened Aug 26, 2026
[Question] Why is HugeGraph's memory usage steadily increasing? Open

inactive question

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

apache/hugegraph#3163 · 8 comments · Opened Aug 18, 2026
[Improve] benchmark ordered range scans and identify fan-out bottlenecks Open

improvement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/hugegraph#3158 · Opened Aug 16, 2026
[Bug] Server graph metadata can permanently diverge from PD when graph watch events are missed Open

bug pd

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

apache/hugegraph#3151 · Opened Aug 12, 2026
[Feature] Stream and paginate persisted task results Open

api feature

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

apache/hugegraph#3148 · Opened Aug 10, 2026
[Proposal] Java compatibility fixtures and PoC selection matrix for the Rust modernization groundwork Open

rust tests

Difficulty 4/5 3-5 days Newbie friendliness 52/100

apache/hugegraph#3145 · 5 comments · 1 reaction · Opened Aug 8, 2026
[Bug] Prometheus metrics format bug Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

apache/hugegraph#3142 · 7 comments · Opened Aug 7, 2026
[Feature] Orchestrate graph creation through PD: new graphs are not consistently available across Server replicas ("Could not rebind [g]") Open

bug

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

apache/hugegraph#3137 · 1 comment · Opened Aug 3, 2026
[Feature] Store exposes no shard recovery metrics (sync progress, raft lag) during disaster recovery Open

feature

Difficulty 5/5 Over a week Newbie friendliness 45/100

apache/hugegraph#3136 · Opened Aug 3, 2026
[Feature] PD: optional periodic partition leader balancing in TaskScheduleService Open

feature pd

Difficulty 4/5 3-5 days Newbie friendliness 58/100

apache/hugegraph#3135 · Opened Aug 3, 2026
[Bug] Docker entrypoint auth bootstrap is unsafe for mounted and upgraded configs Open

bug improvement

Difficulty 5/5 Over a week Newbie friendliness 45/100

apache/hugegraph#3133 · 5 comments · Opened Aug 1, 2026
[Feature] Add an official Helm chart for distributed HStore deployment Open

ci-cd feature

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

apache/hugegraph#3131 · Opened Jul 31, 2026
[Roadmap] Incremental Rust modernization for HugeGraph core modules Open

feature help wanted improvement

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

apache/hugegraph#3110 · 4 comments · 3 reactions · Opened Jul 24, 2026
[Bug] After long running Hugegraph, hg-server container status turned unhealty Open

bug

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

apache/hugegraph#3103 · 3 comments · Opened Jul 22, 2026
[Bug] 1.5.0 mysql backend内存泄漏 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/hugegraph#3101 · 2 comments · Opened Jul 21, 2026
[Improve]: support negative-label property queries with complete index coverage Open

feature improvement

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

apache/hugegraph#3093 · 1 comment · Opened Jul 12, 2026
Track HStore core-test exclusions and property codec mismatch Open

bug good first issue help wanted improvement tests

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

apache/hugegraph#3090 · 10 comments · Opened Jul 10, 2026
[TASK] Refactor: phase 2 cleanup — remove legacy master-worker scheduler dead code Open

bug

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

apache/hugegraph#3086 · 1 comment · Opened Jul 9, 2026
[Bug] Wrong result for where(count().is(lt(0))) when counted traversal is empty Open

bug gremlin

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/hugegraph#3084 · 1 comment · Opened Jul 8, 2026
[Feature] Implement Cloud Storage Support for HugeGraph Open

feature

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

apache/hugegraph#3079 · 2 reactions · Opened Jul 6, 2026
[Bug] Failed to start thread "GC Thread#0" - pthread_create failed (EPERM) for attributes: Open

bug

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

apache/hugegraph#3072 · 5 comments · Opened Jun 29, 2026
[Improve] Gremlin Task Large Result Chunking Open

gremlin improvement

Difficulty 5/5 Over a week Newbie friendliness 42/100

apache/hugegraph#3071 · 2 comments · Opened Jun 28, 2026
[Improve] Track Query Engine Modernization: TinkerPop 3.7.x, Groovy 4 and Java 17 Open

dependencies feature gremlin improvement

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

apache/hugegraph#3069 · Opened Jun 26, 2026
[Bug] after restart partition g-32 not find Open

bug pd store

apache/hugegraph#3042 · 7 comments · 1 assignee · Opened May 28, 2026
HBase backend: edges cannot be persisted and vertex ID mismatch Open

bug hbase

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

apache/hugegraph#3032 · 5 comments · Opened May 20, 2026
[Bug] auth documentation need to be updated Open

api bug

apache/hugegraph#3019 · 5 comments · 1 assignee · Opened May 9, 2026
[Bug] Cassandra commitAsync lacks retry support after Cassandra restart Open

bug cassandra

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

apache/hugegraph#3009 · 3 comments · Opened Apr 25, 2026
[Improve]: clarify ConditionQuery.condition() semantics for missing, conflicting, and multi-value conditions Open

api feature improvement

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

apache/hugegraph#2992 · Opened Apr 12, 2026
[Feature] Unify REST API response format for server,pd and store modules Open

feature help wanted

apache/hugegraph#2975 · 1 comment · 1 assignee · Opened Mar 21, 2026
hugegraph1.5部署集群模式 hugegraph-server 初始化报错 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/hugegraph#2974 · 1 comment · Opened Mar 20, 2026
[Bug]JDK: 17 (Corretto 17) Gremlin job tests fail due to Groovy 2.5.14 (Unsupported class file major version 61) Open

bug gremlin

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

apache/hugegraph#2954 · 2 comments · Opened Feb 22, 2026
1.5.0 gremlin查询耗时比1.0.0高了20倍 Open

bug gremlin

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

apache/hugegraph#2869 · 9 comments · Opened Sep 11, 2025
[Bug] hstore 扩容失败 Open

bug raft store

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

apache/hugegraph#2866 · Opened Sep 1, 2025
remove store1, but the store within the store cluster will still be related to store1 Open

bug store

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

apache/hugegraph#2857 · 3 comments · Opened Aug 27, 2025
[Question] The Hugegraph May have stability issues of 1.5.0 Open

bug store

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

apache/hugegraph#2849 · 5 comments · Opened Aug 7, 2025
[Bug] The graph data is out of sync[hugegraph1.5.0] Open

bug store

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

apache/hugegraph#2847 · 10 comments · Opened Aug 1, 2025
[Bug] sh init-store.sh error Open

bug store

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

apache/hugegraph#2844 · 5 comments · Opened Jul 30, 2025
[Bug] 使用postgre作为backend数据库创建了多个连接，且连接没有自动关闭 Open

bug

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

apache/hugegraph#2801 · 1 comment · Opened Jun 13, 2025
[Feature] Add /traversers/sameneighborsbatch API endpoint to support client-side batch same neighbors queries Open

api feature

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

apache/hugegraph#2798 · 4 comments · 2 reactions · Opened Jun 12, 2025

apache/hugegraph

Get new issues in your inbox