apache/incubator-graphar

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An open source, standard data file format for graph data storage and retrieval.

Stars: 374
Forks: 94
Open beginner issues: 2
Indexed issues: 112
Avg merge: 14d 21h
Merged PRs (30d): 3

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

Open All

112 open issues indexed

feat(rust): expose edge builder API Open

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

apache/incubator-graphar#976 · Opened Sep 16, 2026
[FEATURE][Java] Add a GraphAr dataset validator Open

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

apache/incubator-graphar#974 · Opened Sep 8, 2026
[FEATURE][Java] Add the GraphAr write facade Open

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

apache/incubator-graphar#973 · 1 comment · Opened Sep 8, 2026
doc: move python CLI readme to docs Open

Component:Documentation

apache/incubator-graphar#969 · 1 assignee · Opened Aug 25, 2026
[FEATURE][Java] Add chunk and edge-range value primitives Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

apache/incubator-graphar#967 · Opened Aug 24, 2026
[FEATURE][Java] Adapt Parquet physical IO to columnar batches Open

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

apache/incubator-graphar#964 · 2 comments · Opened Aug 23, 2026
Introduce automation to keep `pnpm/action-setup` up-to-date Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

apache/incubator-graphar#963 · Opened Aug 22, 2026
[Feat][Java] Format-neutral physical batch and write contract Open

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

apache/incubator-graphar#959 · Opened Aug 19, 2026
[FEATURE][Java] Add dependency-light storage API Open

Difficulty 4/5 3-5 days Newbie friendliness 64/100

apache/incubator-graphar#957 · Opened Aug 18, 2026
[FEATURE][Java] Complete immutable metadata API parity Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

apache/incubator-graphar#955 · Opened Aug 12, 2026
bug(cpp): `VerticesBuilder::AddVertex` mixes gobal vertex IDs with local storage indices Open

bug

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

apache/incubator-graphar#954 · Opened Aug 11, 2026
[FEATURE][Java] Add dependency-light storage API and local adapter Open

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

apache/incubator-graphar#953 · Opened Aug 11, 2026
[FEATURE][Java] Pure-Java GraphAr reader/writer implementation Open

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

apache/incubator-graphar#947 · Opened Aug 11, 2026
[FEATURE][Java] Cross-language compatibility test suite Open

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

apache/incubator-graphar#944 · 8 comments · Opened Aug 11, 2026
[BUG][Java] Restore GraphAr v1 edge-layout metadata compatibility Open

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

apache/incubator-graphar#943 · 3 comments · Opened Aug 11, 2026
[CI]: nightly CI failed Open

bug

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

apache/incubator-graphar#919 · Opened May 5, 2026
Scalable conversion to GraphAr format Open

enhancement

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

apache/incubator-graphar#917 · 1 comment · 2 reactions · Opened Apr 12, 2026
`PathToDirectory` can throw for valid S3 URIs without `?` Open

Component:C++

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

apache/incubator-graphar#881 · 1 comment · Opened Feb 26, 2026
Refactor current CI Open

enhancement

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

apache/incubator-graphar#871 · 3 comments · Opened Feb 20, 2026
[Proposal][C++]: Add LRU chunk cache to Arrow chunk readers to avoid redundant file I/O Open

enhancement

apache/incubator-graphar#860 · 1 assignee · Opened Feb 14, 2026
[Proposal] Implementation Plan for Native Go SDK Open

enhancement

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

apache/incubator-graphar#828 · 1 comment · 3 reactions · Opened Jan 16, 2026
feat(rust): build Rust documentation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/incubator-graphar#816 · 1 comment · Opened Dec 29, 2025
feat(c++): Improve CMakeLists.txt for portable library distribution and installation Open

enhancement

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

apache/incubator-graphar#810 · 3 comments · Opened Dec 15, 2025
feat(Rust): Implement Rust binding interface Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/incubator-graphar#806 · 3 comments · 2 reactions · Opened Dec 9, 2025
OSPP Follow-up issues Open

enhancement

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

apache/incubator-graphar#805 · 1 comment · Opened Nov 12, 2025
doc: update pictures in documentation Open

Component:Documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

apache/incubator-graphar#772 · Opened Sep 21, 2025
feat(java,info): refer to spark library to add methods to javainfo Open

enhancement

apache/incubator-graphar#767 · 1 assignee · Opened Sep 17, 2025
feat(java,info): Add remove method in java-info Open

Component:Java enhancement good first issue

apache/incubator-graphar#765 · 3 comments · 1 assignee · Opened Sep 17, 2025
[DISCUSSION][java] Architecture Discussion for Java Repository Open

Component:Java discussion enhancement

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

apache/incubator-graphar#756 · 18 comments · 3 reactions · Opened Sep 11, 2025
infra: add more pre-commit hooks Open

enhancement good first issue help wanted

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

apache/incubator-graphar#753 · 3 comments · Opened Sep 9, 2025
feat(java, info): builder design pattern for java-info Open

enhancement good first issue help wanted

apache/incubator-graphar#740 · 6 comments · 1 assignee · Opened Sep 2, 2025
[discussion][java-info] dependencies choice for java library Open

enhancement

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

apache/incubator-graphar#738 · 6 comments · 1 reaction · Opened Sep 2, 2025
feat(format): Plan of deprecating protobuf Open

enhancement

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

apache/incubator-graphar#729 · Opened Aug 13, 2025
feat(c++): support reading and filtering multi-property values Open

enhancement

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

apache/incubator-graphar#723 · Opened Jul 23, 2025
feat(format): format does not specify an element type for list Open

enhancement

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

apache/incubator-graphar#707 · 16 comments · Opened Jun 19, 2025
bug(ci): The Ubuntu 22.04 C++ CI "Use Static Arrow" is failing Open

bug

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

apache/incubator-graphar#702 · 2 comments · Opened Jun 9, 2025
feat(spark): Support multi-label in Spark Open

enhancement

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

apache/incubator-graphar#699 · 21 comments · 1 reaction · Opened Jun 3, 2025
fix(java): adjust children module version of pom to avoid warning Open

enhancement good first issue

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

apache/incubator-graphar#688 · 2 reactions · Opened May 23, 2025
feat(ci): allow running CI when PR is draft or forked repo Open

enhancement good first issue

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

apache/incubator-graphar#686 · 1 comment · Opened May 23, 2025
[OSPP] LDBC Data Generator Integration for GraphAr Open

Component:Spark enhancement

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

apache/incubator-graphar#680 · Opened May 5, 2025
[OSPP] GraphAr Extension for Kuzu Open

Component:C++ enhancement

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

apache/incubator-graphar#679 · 16 comments · 1 reaction · Opened May 5, 2025
OSPP 2025 Idea Collection Open

enhancement

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

apache/incubator-graphar#672 · 8 comments · Opened Apr 8, 2025
feat(java): provide additional methods in java info Open

Component:Java enhancement

apache/incubator-graphar#667 · 4 comments · 1 reaction · 1 assignee · Opened Mar 4, 2025
feat(java): follow the same style for proto ser-de Open

Component:Java enhancement

apache/incubator-graphar#666 · 1 reaction · 1 assignee · Opened Mar 4, 2025
feat(c++): supprt for multi-property data Open

enhancement

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

apache/incubator-graphar#660 · 3 comments · Opened Nov 27, 2024
GAR Spark 3.3.x is not working with Spark 3.3.1 Open

bug Component:Spark

apache/incubator-graphar#639 · 1 assignee · Opened Sep 27, 2024
feat(c++): property filtering provides an API that returns a VerticesCollection Open

enhancement

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

apache/incubator-graphar#632 · 1 comment · Opened Sep 24, 2024
bug(c++): link error when link application with static graphar library build arrow source Open

bug

apache/incubator-graphar#627 · 1 assignee · Opened Sep 12, 2024
feat(c++): use nested namespace to distinguish different level reader/writer Open

enhancement

apache/incubator-graphar#619 · 1 comment · 1 assignee · Opened Sep 4, 2024
feat(c++): API design for multi-label support Open

enhancement

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

apache/incubator-graphar#614 · 7 comments · 1 reaction · Opened Sep 3, 2024

apache/incubator-graphar

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