oceanbase/miniob

MiniOB is a compact database that assists developers in understanding the fundamental workings of a database.

View on GitHub ↗Jump to charts ↓

Summary Information

Updated 36 minutes ago
Added to GitGenius on September 15th, 2026
Created on October 12th, 2021
Open Issues & Pull Requests: 61 (+0)
GitHub issues: Enabled
Number of forks: 1,617
Total Stargazers: 4,420 (+0)
Total Subscribers: 25 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 2.8 days
Mean response time: 61.5 days
90th percentile: 266.0 days
Tracked items: 61

Most active contributors

Sign in to see contributor activity.

How this project is maintained

80% of open issues come from outside the core team, so the backlog reflects real-world use rather than internal planning. Work labelled "question" is answered fastest, typically in about 12 hours, while "enhancement" waits about 10 days. Three people close 84% of everything that gets resolved.

Charts & Analytics

Fetching additional details & charts...

Issue Activity (beta)

Open issues: 20
New in 7 days: 0
Closed in 7 days: 0
Avg open age: 507 days
Stale 30+ days: 19
Stale 90+ days: 19

Recent activity

Opened in 7 days: 0
Closed in 7 days: 0
Comments in 7 days: 1
Events in 7 days: 1

Top labels

  • bug (25)
  • enhancement (25)
  • help wanted (23)
  • good first issue (22)
  • question (13)
  • feature (3)
  • duplicate (1)

Detailed Description

MiniOB is a compact educational database system designed to teach developers the fundamental workings of database internals.

The project addresses the challenge of learning database implementation by providing a simplified, beginner-friendly codebase that removes complexity from production concerns. It omits concurrent operations, security features, and complex transaction management to focus on core principles. The system is structured around a series of progressively difficult exercises that guide learners from zero knowledge through understanding database kernel modules and their interactions. The architecture documentation and code comments are published online to support self-directed learning.

MiniOB suits students, database professionals, and anyone interested in systems programming who wants hands-on experience with database implementation. It works best for educational contexts and interview preparation rather than production use, as the README explicitly disclaims code safety and reliability. The project emphasizes practical engineering skills including memory management, network communication, and disk I/O handling alongside theoretical database concepts. Learners should expect to engage with the framework introduction, build instructions, and accompanying video tutorials and lecture materials provided by the OceanBase community.

The project maintains active engagement with structured learning contributions through organized exercises and documentation updates. Code is accompanied by comprehensive inline comments and generated Doxygen documentation to support understanding. The repository includes development environment setup guidance, including cloud-based options, to lower barriers to participation. Community contributions are welcomed through established channels aligned with educational goals.