Apache OpenDAL is a unified data access layer designed to efficiently retrieve data from various storage services. Originating in late 2021 as part of the Databend project, OpenDAL aims to provide flexible and user-friendly data access solutions across multiple application scenarios. The document emphasizes the Apache way of community collaboration, equality in contributions, and serves the public good.

1. CommunityOverCode
Chojan Shang（PsiACE），
Apache OpenDAL(Incubating) PPMC Member
Apache OpenDAL(Incubating) :
The Apache Way, The Hard Way

2. Introduction of Myself
Data Is Dead, Value Lives Forever.
•
•
•
Chojan Shang
R&D Engineering Intern @ Databend Labs
Apache OpenDAL(Incubating) PPMC Member
MAM@MUST, BEng@HZAU

3. CONTENTS 1. What is Apache OpenDAL?
2. The Story about Apache OpenDAL
3. The Apache Way, The Hard Way
4. Community Over Code

4. CommunityOverCode
Part 01
What is Apache OpenDAL?

5. What is Apache OpenDAL?
Apache OpenDAL: access data freely.
OpenDAL is a data access layer that allows users to easily and efficiently retrieve data from various storage
services in a unified way.
• Opendal Is Not a Proxy Service
What OpenDAL is not
• Opendal Is Not an SDK Aggregator

6. What is Apache OpenDAL?
OpenDAL: Open Data Access Layer
Rich Service Support
Complete Cross-Language Bindings
Powerful Middleware Support
Easy to Use

7. What is Apache OpenDAL?
Just 3 lines, now you are an OpenDAL expert!

8. CommunityOverCode
Part 02
The Story about Apache OpenDAL

9. The Story about Apache OpenDAL
Born for Universal Data Access
OpenDAL originated from the vision of creating a
universal, unified and user-friendly data access layer.
It came into being in late 2021, initially as a component of
the Databend project.

10. The Story about Apache OpenDAL
From One to Multiple

11. The Story about Apache OpenDAL
Sky's the Limit
1.
2.
3.
4.
More Application Scenarios:
Data Science Data Engineering
Cross-cloud Data Management,
One-stop Tool
Massive Storage Services,
But Working with Your Preferred APIs
Learn X with OpenDAL Tutorials

12. CommunityOverCode
Part 03
The Apache Way, The Hard Way

13. The Apache Way, The Hard Way
Don't pick winners, pick runners
•
•
•
•
•
•
Developers say X is cool
Cool is not enough.
Keep running.
Not interested in a single runner
Open Collaboration.
Build community.

14. The Apache Way, The Hard Way
Domain expertise is appreciated; Benevolent Dictators For Life are disallowed.
•
•
•
•
•
•
Community of Peers
All contributions are equal.
Roles are equal irrespective of title, votes hold
equal weight.
Strictly vendor neutral
Always intending to serve the public good.
Merit lies with the individual, only individuals.

15. The Apache Way, The Hard Way
Living and Breathing the Apache Way
a)
b)
c)
d)
Focus on the Real Needs of Users.
Say No to Excessive Community Operations.
Keep Open, Transparent, and Timely Feedback.
Provide extensive and equal opportunities.

16. CommunityOverCode
Part 04
Community Over Code

17. Community Over Code
Work with Upstream Downstream.
Embrace the upstream
Collaborate with downstream

18. Community Over Code
Lazy Consensus Async Collaboration
•
•
•
All-Round Openness
Free will.
Why do we still need email lists?

19. Community Over Code
Embrace more possibilities.
•
•
•
Deliver high-quality releases.
Build a global community.
Explore more effective ways of community governance.

20. CommunityOverCode
Thanks
Chojan Shang
Apache OpenDAL(Incubating) PPMC Member
e-mail: psiace@apache.org
github: PsiACE