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## Description: The mission of Apache Paimon is the creation and maintenance of software related to a unified lake storage to build dynamic tables for both stream and batch processing with big data compute engines, supporting high-speed data ingestion and real-time data query ## Project Status: Current project status: Ongoing Issues for the board: none ## Membership Data: Apache Paimon was founded 2024-03-20 (a year ago) There are currently 21 committers and 14 PMC members in this project. The Committer-to-PMC ratio is 3:2. Community changes, past quarter: - Junhao Ye was added to the PMC on 2025-02-25 - Xinyu Zou was added to the PMC on 2025-02-25 - Weijun Wang was added as committer on 2024-12-20 ## Project Activity: Software development activity: - We released the PyPaimon 0.2.0 on 2024-12-19. Python SDK for Paimon. - We released the release 1.0.0 on 2025-01-03. - We released the release 1.0.1 on 2025-02-10. - We have improved Iceberg compatibility, producing Iceberg snapshots. - We are implementing REST Catalog, this is very beneficial for the ecology. ## Community Health: Overall community health is good. - dev mail list had a 53% increase in traffic in the past quarter (138 vs 88). - user mail list had a 100% increase in traffic in the past quarter (22 vs 11). - users and contributors in the community has increased due to version 1.0.
## Description: The mission of Apache Paimon is the creation and maintenance of software related to a unified lake storage to build dynamic tables for both stream and batch processing with big data compute engines, supporting high-speed data ingestion and real-time data query ## Project Status: Current project status: Ongoing Issues for the board: none ## Membership Data: Apache Paimon was founded 2024-03-20 (9 months ago) There are currently 20 committers and 12 PMC members in this project. The Committer-to-PMC ratio is 5:3. Community changes, past quarter: - No new PMC members. Last addition was Yann Byron (Bi Yan) on 2024-03-20. - Yu Xu was added as committer on 2024-11-16 ## Project Activity: Software development activity: - We released the release 0.9.0 on 2024-09-13. - We prepared the release candidates for 1.0.0. - We have supported view, format table, object table in catalog layer. - We have supported Iceberg compatibility, producing Iceberg snapshots. - We prepared the release candidates for paimon python sdk. ## Community Health: Overall community health is good. - dev mail list had a 47% decrease in traffic in the past quarter (76 vs 141). - Community is mainly focusing on discussions around Issues and Pull Requests. - Multiple new contributors are contributing code.
## Description: The mission of Apache Paimon is the creation and maintenance of software related to a unified lake storage to build dynamic tables for both stream and batch processing with big data compute engines, supporting high-speed data ingestion and real-time data query ## Project Status: Current project status: Ongoing Issues for the board: none ## Membership Data: Apache Paimon was founded 2024-03-20 (6 months ago) There are currently 19 committers and 12 PMC members in this project. The Committer-to-PMC ratio is roughly 5:3. Community changes, past quarter: - No new PMC members. Last addition was Yann Byron (Bi Yan) on 2024-03-20. - Gang Wang was added as committer on 2024-06-06 Several contributors can be considered for Committer nomination. ## Project Activity: Software development activity: - We released the first release 0.8.1 on 2024-06-11. - We released the first release 0.8.2 on 2024-07-12. - We prepared the release candidates for 0.9.0. - We are discussing the next version being 1.0. ## Community Health: Overall community health is good. - dev mail list had a 5% decrease in traffic in the past quarter (149 vs 156). - Community is mainly focusing on discussions around Issues and Pull Requests. - Subproject paimon-webui and paimon-rust have attracted many contributors.
## Description: The mission of Apache Paimon is the creation and maintenance of software related to a unified lake storage to build dynamic tables for both stream and batch processing with big data compute engines, supporting high-speed data ingestion and real-time data query ## Project Status: Current project status: Ongoing Issues for the board: none ## Membership Data: Apache Paimon was founded 2024-03-20 (2 months ago) There are currently 18 committers and 12 PMC members in this project. The Committer-to-PMC ratio is 3:2. Community changes, past quarter: - No new PMC members (project graduated recently). - No new committers were added. ## Project Activity: Software development activity: - We released the first release 0.8.0 on 2024-05-10. - We are preparing to making release candidates for 0.8.1 in the coming week. - We are developing Deletion Vectors supports for non-primary-key table. ## Community Health: The Paimon community is healthy and active. dev@paimon.apache.org had a 60% increase in traffic in the past quarter (186 emails compared to 116) issues@paimon.apache.org had a 14% increase in traffic in the past quarter (2648 emails compared to 2314) user@paimon.apache.org had a 39% decrease in traffic in the past quarter (37 emails compared to 60)
## Description: The mission of Apache Paimon is the creation and maintenance of software related to a unified lake storage to build dynamic tables for both stream and batch processing with big data compute engines, supporting high-speed data ingestion and real-time data query ## Project Status: Current project status: Ongoing Issues for the board: none ## Membership Data: Apache Paimon was founded 2024-03-20 (a month ago) There are currently 18 committers and 12 PMC members in this project. The Committer-to-PMC ratio is 3:2. Community changes, past quarter: - No new PMC members (project graduated recently). - No new committers were added. The Paimon PMC is actively monitoring and discussing new PMC and committers. ## Project Activity: No version has been released yet. We are actively releasing 0.8.0, and currently RC2 has been cancelled. We are preparing for RC3. ## Community Health: The Paimon community is healthy and active. dev@paimon.apache.org had a 70% increase in traffic in the past quarter (159 emails compared to 93): The code design of the community has been more guided towards discussions on dev@ mailing list. After graduation, there were quite a few contributors. issues@paimon.apache.org had a 21% decrease in traffic in the past quarter (2206 emails compared to 2764): February is China's Spring Festival, and the number of participants has significantly decreased. user@paimon.apache.org had a 10% decrease in traffic in the past quarter (47 emails compared to 52).
## Description: Paimon is a lake format that enables building a Realtime Lakehouse Architecture with Flink and Spark for both streaming and batch operations. ## Project Status: Current project status: Ongoing Issues for the board: none ## Membership Data: Apache Paimon was founded 2023-03-12 (1 years ago) There are currently 18 committers and 12 PMC members in this project. The Committer-to-PMC ratio is roughly 3:2. Community changes, past quarter: - Zelin Yu was added as PMC member on 2024-01-19. - WenJun Min was added as committer on 2024-02-08 - Xinyu Zou was added as committer on 2024-02-26 The Paimon PMC is actively monitoring and discussing new PMC and committers. ## Project Activity: Recent releases: * Paimon shade 0.6.0-incubating was released on 2024-01-25 * Paimon 0.6.1-incubating was released on 2024-02-06 * Paimon 0.7.0-incubating was released on 2024-02-22 ## Community Health: The Paimon community is healthy and active. dev@paimon.apache.org had a 66% increase in traffic in the past quarter (158 emails compared to 95): The code design of the community has been more guided towards discussions on dev@ mailing list. issues@paimon.apache.org had a 2% increase in traffic in the past quarter (2409 emails compared to 2359): February has China's Spring Festival, and the number of participants has significantly decreased. user@paimon.apache.org had a 2% decrease in traffic in the past quarter (51 emails compared to 52): Mainly asking how to join Slack.
Establish the Apache Paimon Project 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 unified lake storage to build dynamic tables for both stream and batch processing with big data compute engines, supporting high-speed data ingestion and real-time data query. NOW, THEREFORE, BE IT RESOLVED, that a Project Management Committee (PMC), to be known as the "Apache Paimon Project", be and hereby is established pursuant to Bylaws of the Foundation; and be it further RESOLVED, that the Apache Paimon Project be and hereby is responsible for the creation and maintenance of software related to a unified lake storage to build dynamic tables for both stream and batch processing with big data compute engines, supporting high-speed data ingestion and real-time data query; and be it further RESOLVED, that the office of "Vice President, Apache Paimon" 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 Paimon Project, and to have primary responsibility for management of the projects within the scope of responsibility of the Apache Paimon 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 Paimon Project: * Becket Qin <jqin@apache.org> * Caizhi Weng <czweng@apache.org> * Fang Yong <zjureel@apache.org> * Feng Wang <fengwang@apache.org> * Jingsong Lee <lzljs3620320@apache.org> * Nicholas Jiang <nicholasjiang@apache.org> * Robert Metzger <rmetzger@apache.org> * Stephan Ewen <sewen@apache.org> * Timo Walther <twalthr@apache.org> * Yann Byron (Bi Yan) <biyan@apache.org> * Yu Li <liyu@apache.org> * Zelin Yu <yuzelin@apache.org> NOW, THEREFORE, BE IT FURTHER RESOLVED, that Jingsong Lee be appointed to the office of Vice President, Apache Paimon, 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 Paimon Project be and hereby is tasked with the migration and rationalization of the Apache Incubator Paimon podling; and be it further RESOLVED, that all responsibilities pertaining to the Apache Incubator Paimon podling encumbered upon the Apache Incubator PMC are hereafter discharged. Special Order 7D, Establish the Apache Paimon Project, was approved by Unanimous Vote of the directors present.
Paimon is a unified lake storage to build dynamic tables for both stream and
batch processing with big data compute engines, supporting high-speed data
ingestion and real-time data query.
Paimon has been incubating since 2023-03-12.
### Three most important unfinished issues to address before graduating:
1.Paimon Website: release note page, power by page.
2.Release 0.5-incubating.
3.More publicity for the English community
### Are there any issues that the IPMC or ASF Board need to be aware of?
- N/A
### How has the community developed since the last report?
- Paimon Website: add community page, security page.
### How has the project developed since the last report?
- Prepare release 0.5-incubating
- Introduce Tag creation on snapshots
- Paimon Metrics integration to Flink
- Spark integration to write to Paimon with schema evolution.
### How would you assess the podling's maturity?
Please feel free to add your own commentary.
- [ ] Initial setup
- [ ] Working towards first release
- [X] Community building
- [ ] Nearing graduation
- [ ] Other:
### Date of last release:
2023-06-07
### When were the last committers or PPMC members elected?
2023-08-01 Chong Zhuang was added as a new committer
### Have your mentors been helpful and responsive?
- Our mentors have been very helpful and responsive.
### Is the PPMC managing the podling's brand / trademarks?
- The VP, Brand has approved the project name.
### Signed-off-by:
- [ ] (paimon) Becket Qin
Comments:
- [ ] (paimon) Robert Metzger
Comments:
- [ ] (paimon) Stephan Ewen
Comments:
- [X] (paimon) Yu Li
Comments: The development activities (code contribution, tech
discussion, etc.) are frequent, new contributor / committer keeps joining,
and people care about document and website building, all indicate a good
community development.
### IPMC/Shepherd notes:
Paimon is a unified lake storage to build dynamic tables for both stream
and batch processing with big data compute engines, supporting high-
speed data ingestion and real-time data query.
Paimon has been incubating since 2023-03-12.
### Three most important unfinished issues to address before graduating:
1.Publish our first release
2.Grow the community
3.Improve our website to contain security page, committer/ppmc list,
contributor guide, and etc.
### Are there any issues that the IPMC or ASF Board need to be aware of?
N/A
### How has the community developed since the last report?
1. Committed our LOGO
2. Several PIPs are in discussion on the dev mailing list, and several
have agreed to start development:
https://cwiki.apache.org/confluence/display/PAIMON/Paimon+Improvement+Proposals
### How has the project developed since the last report?
1. First release under voting in general@incubator.apache.org
2. Support Kafka CDC data ingestion
3. Support Consumer-id to consume from the previous progress without
resuming from the state
### How would you assess the podling's maturity?
Please feel free to add your own commentary.
- [X] Initial setup
- [X] Working towards first release
- [ ] Community building
- [ ] Nearing graduation
- [ ] Other:
### Date of last release:
XXXX-XX-XX
### When were the last committers or PPMC members elected?
N/A
### Have your mentors been helpful and responsive?
Our mentors have been very helpful and responsive.
### Is the PPMC managing the podling's brand / trademarks?
The VP, Brand has approved the project name.
### Signed-off-by:
- [ ] (paimon) Becket Qin
Comments:
- [X] (paimon) Robert Metzger
Comments: No concerns.
- [X] (paimon) Stephan Ewen
Comments: Team seems to operate maturely and to understand community
processes well (which is not surprising, given they are all committers
in
other projects).
- [X] (paimon) Yu Li
Comments: Team is actively working towards the first apache release
(after entering incubation) and has addressed several legal issues
found
during IPMC review. Meantime discussions happen frequently and
adequately
on the dev mailing list, which indicates a good community build-up.
### IPMC/Shepherd notes:
Paimon is a unified lake storage to build dynamic tables for both stream
and batch processing with big data compute engines, supporting high-
speed data ingestion and real-time data query.
Paimon has been incubating since 2023-03-12.
### Three most important unfinished issues to address before graduating:
1. Publish our first release
2. Grow the community
3. Commit our LOGO
### Are there any issues that the IPMC or ASF Board need to be aware of?
* N/A
### How has the community developed since the last report?
1. Resolved the suitable name search for "Apache Paimon"
2. Improved our website
3. Created our slack channel in ASF
### How has the project developed since the last report?
1. Prepare and start voting for our first apache release
2. Support Flink CDC data ingestion
3. Support Lookup Changelog-producer
### How would you assess the podling's maturity?
Please feel free to add your own commentary.
- [X] Initial setup
- [X] Working towards first release
- [ ] Community building
- [ ] Nearing graduation
- [ ] Other:
### Date of last release:
N/A
### When were the last committers or PPMC members elected?
* 2023-04-19, Zelin Yu was added as new committer.
### Have your mentors been helpful and responsive?
* Our mentors have been very helpful and responsive.
### Is the PPMC managing the podling's brand / trademarks?
* The VP, Brand has approved the project name.
### Signed-off-by:
- [ ] (paimon) Becket Qin
Comments:
- [ ] (paimon) Robert Metzger
Comments:
- [ ] (paimon) Stephan Ewen
Comments:
- [X] (paimon) Yu Li
Comments: Glad to see the completion of project setup, as well as the
active development and preparation for the first apache release. It's
also great to see new committer joining the team, indicating a healthy
community growth.
### IPMC/Shepherd notes: