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## Description: Apache Fluss is a streaming storage system built for real-time analytics and AI, serving as the real-time data layer for Lakehouse architectures. ## Project Status: Current project status: New, with high activity. Issues for the board: none ## Membership Data: Apache Fluss was founded 2026-07-15 (24 days ago) There are currently 22 committers and 14 PMC members in this project. The Committer-to-PMC ratio is roughly 3:2. Community changes, past quarter: - No new PMC members (project graduated recently). - Yang Wang was added as committer on 2026-08-06 ## Project Activity: The community completed and published the Apache Fluss graduation announcement, working with the ASF Marketing and Publicity team and updating the project website, blog, README, and community channels to reflect the new TLP status. Most post-graduation tasks have been completed. This work included: - Verifying the initial PMC roster, Chair setup, private mailing-list membership, and mailing-list moderation. - Removing remaining "Incubating" references and obsolete Incubator URLs from project websites, documentation, repository metadata, Maven configuration, CI, and notification settings. - Updating the Incubator status records to mark Fluss as graduated. - Creating and verifying the new `/dev/fluss/` and `/release/fluss/` distribution areas and copying the project KEYS file. - Updating release scripts, artifact naming, voting templates, release announcement templates, and the release guide for the TLP release process. The main technical focus is now Apache Fluss 1.0. The community plans to release it in August 2026 and is currently completing the remaining feature development and stabilization work. Apache Fluss also had a strong presence at Community Over Code Asia 2026. Fluss community members Yang Wang and Yuxia Luo delivered sessions about Fluss, while project contributors presented two additional Fluss-related sessions. These 4 sessions helped share the project's work with the broader Apache and open-source community. Apache Fluss 1.0 will be the project's first release as a TLP. It will follow the TLP release process without the `-incubating` suffix. The required release resources, scripts, templates, distribution locations, and release documentation have already been updated. The most recent release was Apache Fluss 0.9.1-incubating, released on 2026-05-04. ## Community Health: The Fluss community remains active and healthy. PMC members, committers, and contributors have worked collaboratively on the graduation process, post-graduation migration, community outreach, and preparation for the 1.0 release. Mailing-list activity during the past quarter was: - `dev@fluss.apache.org`: 375 emails, an 8% decrease from 406 in the previous quarter. - `issues@fluss.apache.org`: 3,259 emails, a 28% decrease from 4,476. - `user@fluss.apache.org`: 2 emails, an 89% decrease from 18. The decreases on the development and issues mailing lists do not indicate a community health concern. The reporting period overlapped with the summer vacation season, which is typically quieter because many community members take extended leave. At the same time, the community devoted substantial effort to graduation, post-graduation migration, and preparation for the 1.0 release. With most graduation-related work now complete, the community has shifted its focus back to completing the remaining features and stabilizing Apache Fluss 1.0. This renewed focus is already reflected in development activity: traffic on the dev mailing list increased from 70 emails in June to 129 in July, an increase of approximately 84%. Issue and pull-request activity is also expected to grow as the release approaches. The user mailing list has a small absolute message volume and is primarily used by community members for announcements. Most Fluss users currently ask questions and interact with the community through Slack instead of the mailing list. The project's recorded monthly community calls provide another sign of growing engagement. The latest call attracted approximately 30 participants despite the summer vacation period, and participation has increased over the past several months as more people have started engaging with the project. The Fluss LinkedIn page has also grown to approximately 2,300 followers within its first year; July 2026 marked the first anniversary of the page's creation. The addition of a new committer, the growing participation in monthly community calls, the project's expanding social-media reach, and the community's presence at Community Over Code Asia 2026 provide further signs of continued participation and growth. Overall, the PMC sees no concerns regarding community health. The observed changes in mailing-list traffic reflect the quieter summer period, a temporary shift in project focus, and the community's current communication-channel preferences rather than a reduction in project activity.
WHEREAS, the Board of Directors deems it to be in the best interests of the Foundation and consistent with the Foundation's purpose to establish a Project Management Committee charged with the creation and maintenance of open-source software, for distribution at no charge to the public, related to a streaming storage built for real-time analytics which can serve as the real-time data layer for Lakehouse architectures. NOW, THEREFORE, BE IT RESOLVED, that a Project Management Committee (PMC), to be known as the "Apache Fluss Project", be and hereby is established pursuant to Bylaws of the Foundation; and be it further RESOLVED, that the Apache Fluss Project be and hereby is responsible for the creation and maintenance of software related to a streaming storage built for real-time analytics which can serve as the real-time data layer for Lakehouse architectures; and be it further RESOLVED, that the office of "Vice President, Apache Fluss" be and hereby is created, the person holding such office to serve at the direction of the Board of Directors as the chair of the Apache Fluss Project, and to have primary responsibility for management of the projects within the scope of responsibility of the Apache Fluss Project; and be it further RESOLVED, that the persons listed immediately below be and hereby are appointed to serve as the initial members of the Apache Fluss Project: * Anton Borisov <aborisov@apache.org> * Becket Qin <jqin@apache.org> * Giannis Polyzos <ipolyzos@apache.org> * Jark Wu <jark@apache.org> * Jean-Baptiste Onofré <jbonofre@apache.org> * Jingsong Lee <lzljs3620320@apache.org> * Keith Lee <leekei@apache.org> * Mehul Batra <mehulbatra@apache.org> * Michael Koepf <michaelkoepf@apache.org> * Nicholas Jiang <nicholasjiang@apache.org> * Yu Li <liyu@apache.org> * Yunhong Zheng <yunhong@apache.org> * Yuxia Luo <yuxia@apache.org> * Zili Chen <tison@apache.org> NOW, THEREFORE, BE IT FURTHER RESOLVED, that Jark Wu be appointed to the office of Vice President, Apache Fluss, to serve in accordance with and subject to the direction of the Board of Directors and the Bylaws of the Foundation until death, resignation, retirement, removal or disqualification, or until a successor is appointed; and be it further RESOLVED, that the Apache Fluss Project be and hereby is tasked with the migration and rationalization of the Apache Incubator Fluss podling; and be it further RESOLVED, that all responsibilities pertaining to the Apache Incubator Fluss podling encumbered upon the Apache Incubator PMC are hereafter discharged. Special Order 7E, Establish the Apache Fluss Project, was approved by Unanimous Vote of the directors present.
Fluss is a streaming storage built for real-time analytics which can serve
as the real-time data layer for Lakehouse architectures.
Fluss has been incubating since 2025-06-04.
### Three most important unfinished issues to address before graduating:
None. Earlier graduation-readiness concerns raised during the discussion
on general@incubator have been addressed. In particular, the PPMC has
refreshed the proposed PMC roster through a structured review and formal
vote, including only active members with governance contributions during
incubation, adding active committers to the proposed PMC, and confirming
forward-looking governance commitments.
### Are there any issues that the IPMC or ASF Board need to be aware of?
None at this time. The concerns raised during the graduation discussion
have been resolved or adopted, including the proposed PMC roster review,
download page verification improvements, release/disclaimer updates,
Docker Hub and Maven POM description updates, and branding/documentation
corrections.
### How has the community developed since the last report?
1. Elected 1 new committer: Anton Borisov.
2. Held regular [Monthly Community
Calls](https://s.apache.org/fluss-community-call)
in April, May. (June was postponed to 3rd July)
3. Participated in [Google Summer of Code
2026](https://summerofcode.withgoogle.com/programs/2026/projects/D5s5f4un)
through the Fluss project and mentored a GSoC contributor.
4. Community presentations and outreach continued:
- [Flink Forward Asia 2026](https://asia.flink-forward.org/) was held
on June 26-27 in Shenzhen, China, with many Fluss-related talks.
- OpenXData 2026 included Fluss talks and panels, including a Fluss
presentation by Mehul Batra and a community panel involving Yuxia Luo
from the Fluss PPMC.
- Anton Borisov presented a Fluss talk at a Data Streaming meetup in
London on May 7.
### How has the project developed since the last report?
- Released Apache Fluss 0.9.1-incubating on 2026-05-04. Apache Fluss 0.9.1
is currently the latest stable release.
- Completed the Apache release of fluss-rust 0.1.0-incubating, the first
official Rust, Python, and C++ client release for Apache Fluss.
- Completed the Fluss website redesign.
- Continued development toward Apache Fluss 1.0.0, including real-time AI
use cases, real-time lakehouse integrations, streaming analytics,
client SDKs, and security improvements.
- Published more technical and user-facing content, including articles on
pruning, real-time deduplication, Taobao Instant Commerce, storage
hierarchy, and tiering service operations.
### How would you assess the podling's maturity?
- [ ] Initial setup
- [ ] Working towards first release
- [ ] Community building
- [X] Nearing graduation
- [ ] Other:
Commentary: The project has established a regular Apache release cadence
and has completed the maturity model. As summarized in the graduation
discussion, the community has 20 committers including mentors, from more
than 8 companies, with 14 PPMC members and 121 contributors. During
incubation, Fluss made 5 releases in 11 months with 4 different release
managers, and reported 10+ known production users. The project has opened
1,533 issues with 1,041 resolved, and 1,796 PRs with 1,551 merged or
closed. The PPMC has also refreshed the proposed PMC roster through a
structured review and formal vote, adding active committers to the
proposed PMC and confirming forward-looking governance commitments.
### Date of last release:
2026-05-04 (Apache Fluss 0.9.1-incubating)
### When were the last committers or PPMC members elected?
The most recent committer was Anton Borisov, elected in May. No new
PPMC member has been elected since the April report. Two existing
committers, Anton Borisov and Keith Lee, have been included in the
updated proposed PMC roster for graduation.
### Have your mentors been helpful and responsive?
Yes. The mentors have been helpful and responsive. The mentors provided
guidance during the graduation discussion, including on the proposed PMC
roster review and graduation-readiness follow-up items. No open issues at
this time.
### Is the PPMC managing the podling's brand / trademarks?
Yes. The PPMC is actively managing the Apache Fluss (Incubating) brand and
trademarks. The PPMC has fixed several branding issues related to external
blogs and content, including pages on Alibaba Cloud and Ververica
websites.
During the graduation-readiness follow-up, the community also updated the
download page, release notes, Docker Hub descriptions, Maven POM
description, and related documentation/disclaimer text. There are no known
open brand or trademark issues at this time.
### Signed-off-by:
- [X] (fluss) Jean-Baptiste Onofré
Comments: The vote to graduate passed. The resolution proposal for
the board can be added.
- [X] (fluss) Becket Qin
Comments: Glad to see the project passing the graduation voting and
ready to become a new TLP!
- [X] (fluss) Yu Li
Comments: We had a constructive discussion on graduation and the vote
has passed with the updated PMC roster afterwards. I will submit the
resolution for the next board meeting.
- [ ] (fluss) Jingsong Lee
Comments:
- [X] (fluss) Zili Chen
Comments:
### IPMC/Shepherd notes:
Fluss is a streaming storage built for real-time analytics which can serve
as the real-time data layer for Lakehouse architectures.
Fluss has been incubating since 2025-06-04.
### Three most important unfinished issues to address before graduating:
1. Complete more Apache releases: finalizing the Fluss-Rust 0.1.0 RC
voting process and planning the Fluss 0.9.1 release for April.
2. Grow the community and attract more committers, contributors and users.
3. Fill out the maturity model and graduation preparations
### Are there any issues that the IPMC or ASF Board need to be aware of?
There are no critical issues to report at this time. The team is currently
preparing for the first release of Fluss-Rust, which includes C++ and
Python bindings. We expect to initiate the IPMC voting process within the
next few days.
### How has the community developed since the last report?
- Add 2 new committers (Liebing Yu and Keith Lee), currently with total 19
committers.
- Add 1 new PPMC member (Mehul Batra), the first invited PPMC member since
incubation, currently with total 14 PPMC members (including mentors).
- Held regular monthly community calls in January, February, and March.
- Community presentations and outreach:
* Fluss PPMC members presented at the joint "Apache Fluss × Apache
Iceberg" webinar on January 20, 2026.
* Giannis Polyzos spoke at QCon London on March 17, 2026.
### How has the project developed since the last report?
- Released version 0.9.0 on March 2, 2026, marking the second official
release under the Apache Incubator. This milestone reflects three months of
collaborative development featuring over 400 commits and 12 highlighted
features from the community.
- Initiated the release of Fluss-Rust 0.1.0, which includes C++ and Python
SDKs. This represents the first multi-language client version for Fluss,
comprising over 200 commits from 27 contributors.
- Active development is underway for version 1.0.0, with a target release
date in June 2026.
- The community discussed and finalized the [project roadmap for
2026](https://github.com/apache/fluss/discussions/2342).
### How would you assess the podling's maturity?
Please feel free to add your own commentary.
- [ ] Initial setup
- [ ] Working towards first release
- [ ] Community building
- [X] Nearing graduation
- [ ] Other:
### Date of last release:
2026-03-02 (v0.9.0)
### When were the last committers or PPMC members elected?
2026-03-10
### Have your mentors been helpful and responsive?
Yes.
### Is the PPMC managing the podling's brand / trademarks?
Yes, everything is fine.
### Signed-off-by:
- [X] (fluss) Jean-Baptiste Onofré
Comments: I think Fluss is pretty close to graduation. Maybe worth to
start evaluating the maturity model and other preparation steps.
- [X] (fluss) Becket Qin
Comments: I agree that Fluss is making steady progress and close to
graduation.
- [X] (fluss) Yu Li
Comments: It's great to see new committers and a PMC member joining,
which indicates a more diverse community. Regular sync meetings and
consistent releases further reflect robust community development, and I'm
confident the project is steadily progressing toward graduation.
- [X] (fluss) Jingsong Lee
Comments: +1 to fluss is close to graduation. I have seen a lot of
participants working together to make the Fluss community better.
- [ ] (fluss) Zili Chen
Comments:
### IPMC/Shepherd notes:
Fluss is a streaming storage built for real-time analytics which can serve
as the real-time data layer for Lakehouse architectures.
Fluss has been incubating since 2025-06-04.
### Three most important unfinished issues to address before graduating:
1. The second release (v0.9.0) under the ASF incubator
2. Grow the community and attract more committers, contributors and users.
3. Fill out the maturity model
### Are there any issues that the IPMC or ASF Board need to be aware of?
None at this time.
### How has the community developed since the last report?
1. Add 2 new committers, currently with total 17 committers.
2. The Fluss PPMC created a [LinkedIn
page](https://s.apache.org/fluss-linkedin), which now has 1,302 followers,
doubling organically over the past three months.
3. [Regular Monthly Community Call](s.apache.org/fluss-community-call)
for October and November; December’s call was skipped due to the holiday
season.
4. An “Apache Fluss × Apache Iceberg” joint webinar is scheduled for
January 20, 2026, featuring contributors from both communities.
5. Community presentations and outreach:
* Jark Wu and Giannis Polyzos presented at Flink Forward Barcelona
(2025-10-15)
* Leonard Xu presented Fluss at QCon Shanghai (2025-10-24)
* Giannis Polyzos spoke at Big Data Europe (2025-11-19)
* Jark Wu presented to the CMU Database Group (2025-12-08)
### How has the project developed since the last report?
- Released v0.8.0 on 2025-11-09 which is the project’s first official
release under the Apache Incubator. This milestone represents 4 months of
collaborative development with 400+ commits from the community.
- 8 new Fluss Improvement Proposals (FIPs) were submitted over the past
quarter; several have already been approved and implemented.
- Active development is underway for v0.9.0, targeted for release by end
of January 2026.
### How would you assess the podling's maturity?
- [ ] Initial setup
- [ ] Working towards first release
- [X] Community building
- [ ] Nearing graduation
- [ ] Other:
Commentary: The project has successfully shipped its first Apache release
and is actively growing its contributor and user base. Community engagement
is strong, with regular calls, public talks, and cross-project
collaboration. While still in its incubation, Fluss is steadily progressing
toward graduation readiness.
### Date of last release:
2025-11-09 (v0.8.0)
### When were the last committers or PPMC members elected?
2025-11-28
### Have your mentors been helpful and responsive?
Yes.
### Is the PPMC managing the podling's brand / trademarks?
Yes, everything is fine.
### Signed-off-by:
- [X] (fluss) Jean-Baptiste Onofré
Comments: The podling is operating great. The community is smoothly
growing up.
- [X] (fluss) Becket Qin
Comments:
- [X] (fluss) Yu Li
Comments: Good to see new committers joining and vibrant community
activities.
- [X] (fluss) Jingsong Lee
Comments:
- [X] (fluss) Zili Chen
Comments:
### IPMC/Shepherd notes:
Fluss is a streaming storage built for real-time analytics which can serve
as the real-time data layer for Lakehouse architectures.
Fluss has been incubating since 2025-06-04.
### Three most important unfinished issues to address before graduating:
1. Publish the first release under the ASF incubator
2. Grow the community and attract more committers, contributors and users.
3. Fill out the maturity model
### Are there any issues that the IPMC or ASF Board need to be aware of?
Fluss plans to release its first version (v0.8) under ASF incubator in
October and will need IPMC assistance, including validation and voting.
### How has the community developed since the last report?
- Add 2 new committers, currently with total 15 committers.
- The Fluss PPMC created a [LinkedIn page]
(https://www.linkedin.com/company/apachefluss/), which has 625
followers within ~3 months, all organic growth.
- [Regular Monthly Community Call]
(https://docs.google.com/document/d/18b7G_dvYx-1FogV7LWEFMHXze5D5T9XZ3h
9zSU75dDA/edit?tab=t.0#heading=h.9aenn0fakn4l) for July, Aug, Sept.
- Jark Wu presented Fluss at CommunityOverCode Asia 2025 on July 26th.
- Jark Wu and Giannis Polyzos are going to Flink Forward Barcelona 2025
to present Fluss on October 15th.
- Leonard Xu is going to QCon Shanghai to represent Fluss on October 24th.
- Giannis Polyzos is going to Big Data Europe to present Fluss on
November 19-21.
- Fluss participated #hacktoberfest2025
### How has the project developed since the last report?
We have completed the full migration of the website and codebase from
Alibaba to Apache.
Additionally, we’ve finalized development of Fluss v0.8 which was started
since the project entered ASF incubator.
This version introduces Streaming Lakehouse support with Apache Iceberg
and Lance. Now, all streaming events written to Fluss are automatically
converted into either Iceberg or Lance format in real-time, enabling
seamless lakehouse integration.
Besides, since introducing the Fluss Improvement Proposal (FIP) process
in July, we have already created 17 FIPs, many of which have been approved
and implemented.
### How would you assess the podling's maturity?
Please feel free to add your own commentary.
- [ ] Initial setup
- [X] Working towards first release
- [ ] Community building
- [ ] Nearing graduation
- [ ] Other:
### Date of last release:
N/A
We released fluss-shaded-1.0-incubating in August, but this is not
considered an official Fluss release, as it is a shaded utility module
rather than part of the core Fluss system. The community is working on the
official release of Fluss core (v0.8).
### When were the last committers or PPMC members elected?
2025-07-29
### Have your mentors been helpful and responsive?
Yes
### Is the PPMC managing the podling's brand / trademarks?
N/A
### Signed-off-by:
- [X] (fluss) Jean-Baptiste Onofré
Comments: Good "start" for the podling, growing the community already
happens. I'm looking for the first Apache release.
- [X] (fluss) Becket Qin
Comments:
- [X] (fluss) Yu Li
Comments: Good to see new committers joining and rich community
activities. Looking forward to the first apache release.
- [ ] (fluss) Jingsong Lee
Comments:
- [X] (fluss) Zili Chen
Comments:
### IPMC/Shepherd notes:
Fluss is a streaming storage built for real-time analytics which can serve
as the real-time data layer for Lakehouse architectures.
Fluss has been incubating since 2025-06-04.
### Three most important unfinished issues to address before graduating:
1. Ensure website and code are full compliance with ASF policie
2. Publish the first release under the ASF incubator
3. Grow the community and fill out the maturity model
### Are there any issues that the IPMC or ASF Board need to be aware of?
No.
### How has the community developed since the last report?
We are still in the setup phase, but we have seen some active contributors
that deserved to be committer candidates.
Jark Wu is going to Flink Forward Asia 2025 (Singapore) to present Fluss on
July 3rd.
### How has the project developed since the last report?
The community is developing for the next release v0.8 which is expected to
be released at September.
The community has established the Fluss Improvement Proposal (FIP) process
[1] to facilitate design discussions for major features. Currently, there
are already five FIPs in progress.
[1]
https://cwiki.apache.org/confluence/display/FLUSS/Fluss+Improvement+Proposal
s
### How would you assess the podling's maturity?
Please feel free to add your own commentary.
- [X] Initial setup
- [ ] Working towards first release
- [ ] Community building
- [ ] Nearing graduation
- [ ] Other:
We are still in the process of initial setup. We have migrated the GitHub
repository and website to the Apache organization. We will set up the CI/CD
pipelines to streamline future development and deployment.
### Date of last release:
N/A
### When were the last committers or PPMC members elected?
N/A
### Have your mentors been helpful and responsive?
Yes
### Is the PPMC managing the podling's brand / trademarks?
N/A
### Signed-off-by:
- [X] (fluss) Jean-Baptiste Onofré
Comments: Good work on the initial setup. Congrats !
- [ ] (fluss) Becket Qin
Comments:
- [X] (fluss) Yu Li
Comments: Initial setup is completed and look forward to the further
development of the project.
- [X] (fluss) Jingsong Lee
Comments:
- [X] (fluss) Zili Chen
Comments:
### IPMC/Shepherd notes: