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This handbook provides practical guidance for Apache Incubator mentors. It consolidates all mentor-related materials from ASF policy, Incubator documentation, and the ASF Training site into a single reference. The goal is to help mentors guide podlings with confidence and consistency by explaining their responsibilities, linking to relevant resources, and illustrating how to apply ASF culture and governance in practice.
Quick Start for Busy Mentors
If you are new to mentoring, start here:
- Mentor Quick Start Guide (Wiki)
- The Mentor training path (Incubator site)
- Incubator Training Portal (Incubator site)
- Mentor Onboarding (Wiki)
- Mentor Onboarding (Slide Deck)
- Mentor Onboarding (Video)
- Who Does What (Wiki)
- Incubation Explained (Wiki)
- Common Myths About the Incubator (Wiki)
- Practicing The Apache Way (Wiki)
- Mentor Quick Reference — Common Red Flags (Wiki)
- Mentoring Best Practices (Wiki)
- Mentor Onboarding Quiz (Practice)
Understanding the Mentor Role
What Mentoring Is and Is Not
Mentors guide podlings in understanding ASF culture and governance.
They:
- Encourage open, consensus-based decision-making.
- Model ASF communication standards.
- Help the PPMC learn its responsibilities.
- Provide gentle oversight and escalation when required.
They do not:
- Act as project leads or technical decision-makers.
- Replace the PPMC in voting or community management.
- Treat sign-off as rubber-stamping.
Mentoring is about asking questions, not giving orders. A good mentor asks, “How can you ensure that the decision reflects consensus?” instead of “You must hold a vote.”
Becoming a Mentor
Any ASF Member may join the IPMC and volunteer to mentor a podling.
Before being added as a mentor:
- Contact the podling’s PPMC and confirm interest.
- Review the Mentor Onboarding Guide (Wiki).
- Familiarize yourself with the Mentor Quick Start Guide (Wiki).
Training references
- Mentor Onboarding (Slide Deck)
- Mentor Onboarding (Video)
- Incubator PMC Onboarding (Wiki)
- Incubator PMC Onboarding (Slide Deck)
- Incubator PMC Onboarding (Video)
- Mentoring Best Practices (Wiki)
Addressing Common Myths About the Incubator
Many podlings begin with misunderstandings about the Incubator, how long incubation takes, what mentors do, or what a vote means. Mentors should help correct these myths early and explain that incubation is about community maturity, not bureaucracy. See Common Myths About the Incubator (Wiki) and Why Governance Matters (Wiki).
Practicing The Apache Way
Mentors lead by example. This guide distils ASF culture into anonymised, real-world scenarios with actionable steps, covering consensus and voting, mentoring boundaries, conflict resolution, community health, branding and privacy, and graduation. See Practicing The Apache Way (Wiki)
Mentoring Stages in Practice
Each podling progresses through stages. The mentor’s focus shifts from setup and education to oversight and independence.
Entry and Setup
Mentor focus: Enable, not manage.
Mentor actions:
- Confirm IP clearance is complete.
- Ensure repositories, websites, and lists show the Incubator disclaimer.
- Encourage discussions to happen on mailing lists.
- Help the podling understand ASF infrastructure and how to self-serve.
Training and reference materials
- Podling Orientation Guide (Slide Deck)
- Committer Onboarding (Wiki)
- Committer Onboarding (Slide Deck)
- Committer Onboarding (Video)
- PPMC Onboarding (Wiki)
- PPMC Onboarding (Slide Deck)
- PPMC Onboarding (Video)
- ASF Incubator Policy (Official)
- Incubation Explained (Wiki)
- Interacting with ASF Infrastructure (Wiki)
- Incubator Branding Guide (Official)
First Release
Mentor focus: Teach the ASF release process.
Mentor actions:
- Guide the podling through its first ASF release.
- Explain that releases are community-owned.
- Review licensing, source distribution, and voting.
Training and reference materials
- How To Slide Your Release Past The Incubator (Slide Deck)
- Branding & Identity (Slide Deck)
- Voting & Consensus in Practice (Wiki)
- Voting & Consensus in Practice (Slide Deck)
- Voting and Consensus In Practice (Video)
- ASF Brand Management Guidelines (Official)
- Legal Basics (Wiki)
- Third-Party Branding & Incubating Projects (Wiki)
Growing the Community
Mentor focus: Foster independence and diversity.
Mentor actions:
- Encourage merit-based growth and open discussion.
- Promote vendor neutrality.
- Help the PPMC build a sustainable contributor base.
Training and reference materials
- ASF Values in Practice (Slide Deck)
- ASF Values (Video)
- Vendor Neutrality (Wiki)
- Vendor Neutrality (Slide Deck)
- Vendor Neutrality (Video)
- Community Building in Practice (Slide Deck)
- Community Building in Practice (Video)
- International and Cultural Awareness (Wiki)
- Common Red Flags (Wiki)
Governance and Decision-Making
Mentor focus: Promote consensus and transparency.
Mentor actions:
- Help the PPMC practice decision-making on mailing lists.
- Reinforce clear voting and documentation practices.
- Encourage rotation of roles and shared leadership.
Training and reference materials
- Vendor Neutrality (Wiki)
- Vendor Neutrality (Slide Deck)
- Vendor Neutrality (Video)
- Governance in Practice (Wiki)
- Governance in Practice (Slide Deck)
- Governance in Practice (Video)
- Voting & Consensus in Practice (Slide Deck)
- Voting & Consensus in Practice (Video)
- Default Project Guidelines (Wiki)
- Selecting a PMC Chair (Wiki)
- Default Project Guidelines (Wiki)
Graduation Preparation
Mentor focus: Guide toward independence and sustainability.
Mentor actions:
- Review readiness across governance, community, and releases.
- Walk the PPMC through the ASF Maturity Model.
- Review the graduation resolution and ensure TLP readiness.
Training and reference materials
- Graduation Criteria (Wiki)
- ASF Maturity Model
- How to Use the ASF Maturity Model (Wiki)
- Mentor Offboarding Guide (Wiki)
- Graduation & Beyond (Wiki)
Learning from Real Scenarios
Mentoring often involves complex, real-world challenges.
Studying prior experiences helps mentors recognize patterns and guide with perspective.
Key resources
- Mentor Scenarios (Practice)
- Incubator Case Studies (Wiki)
- Mentors’ Tough Conversation Guide (Wiki)
- Practicing The Apache Way (Wiki)
Communication, Transparency, and Escalation
Mentors must model the ASF approach to communication and conflict.
Best Practices
- Use public mailing lists for decisions.
- Encourage inclusive, respectful tone.
- Avoid private or unarchived decisions.
- Encourage transparency and empathy.
Training and reference materials
Reporting, Reflection, and Oversight
Podling reports are tools for reflection and transparency.
They show progress, governance maturity, and allow early correction.
Mentor actions
- Review reports for accuracy and realism.
- Confirm discussions and mentor sign-off.
- Encourage self-assessment and candor.
Training and reference materials
- Reporting Guide (Wiki)
- Measuring Podling Health (Wiki)
- Incubator Reporting Scenarios (Practice)
- ASF Privacy FAQ for Committers (Official)
Graduation and Mentor Offboarding
Graduation marks the transition to independence, not disengagement.
Mentor actions
- Ensure readiness across governance, community, and releases.
- Review the graduation resolution.
- Provide final guidance and celebrate success.
Training and reference materials
- Graduation Criteria (Wiki)
- How to Use the ASF Maturity Model (Wiki)
- Graduation & Beyond (Wiki)
- Mentor Offboarding Guide (Wiki)
Mentor Self-Check and Accountability
Effective mentors reflect regularly on their engagement.
Ask yourself:
- Am I active on the podling’s dev@ list?
- Have I guided rather than directed?
- Has the podling learned to self-manage releases and votes?
- Have I helped contributors grow into leaders?
- Can the PPMC function without my direct involvement?
Helpful resources
Tools, Checklists, and References
Core Mentor References
- ASF Incubator Policy (Official)
- ASF Brand Management Guidelines (Official)
- ASF Privacy FAQ for Committers (Official)
- ASF Maturity Model
- ASF Incubator Training Portal
Key Wiki Guides
- Why Governance Matters (Wiki)
- Common Myths About the Incubator (Wiki)
- Who Does What (Wiki)
- Practicing The Apache Way (Wiki)
- Default Project Guidelines (Wiki)
- Glossary of Incubator Terms (Wiki)
Continuing Learning and Community
Mentoring is a shared learning process.
Stay engaged, keep learning, and support new mentors.
- Participate on
general@incubator.apache.org. - Review new training materials at the Incubator Training Hub.
- Contribute case studies and improvements to this handbook.
- Attend Community Over Code sessions on governance and mentoring.
- Rotate mentors across podlings to broaden experience and share insight.
Appendices
B. Mentor FAQ
Answers to common questions about sign-off, graduation timing, and escalation.
D. Where to Get Help
general@incubator.apache.org- discussion and mentoring supportprivate@incubator.apache.org- sensitive or administrative matters
Maintained by the Apache Incubator PMC. Contributions and updates are welcome via the wiki.