The Apache Software Foundation
The Apache Software Foundation Incubator
    

Incubator Clutch Status

Clutch is a tool which gathers details about the projects (podlings) currently in incubation and generates the table below. Clutch also generates an analysis page for each podling, along with several data files. Its aim is to encourage and nurture podlings; and to provide an overview of the state of establishment of various resources, and quick access to thems. See definitions and notes below regarding purpose, interpretation, and how-to.

Clutch

Clutch last gathered: Mon Apr 14 01:38:46 2025 UTC.

Number of podlings in incubation: 34

Current Board Report: April2025

Quick Notes

  • The orange items indicate where the podling needs to take more care and attention.

  • Anything vermilion is an issue that the podling should address ASAP. Admittedly nothing can be done about elapsed time.

  • The bluish-green items indicate success.

  • The yellow items are okay.

  • Click the column header link for definitions.

  • Click cells to go to available related resources.

  • Click the podling name in the first column to go to the podling’s clutch analysis page, which has deeper and more detailed information.

Podling Sponsor A B C D E F G H I J K L M N O P Q R

Amoro

Incubator

2024-03-11

399

False

1

True

2024-03-19

391

0,0,0

24

0

True

True

True

True

True

True

True

True

Annotator

Incubator

2016-08-30

3149

False

1

True

2020-10-09

1648

0,0,0

8

0

True

True

False

False

True

True

True

True

Baremaps

Incubator

2022-10-10

917

False

3

True

2022-10-20

907

0,0,0

14

0

True

True

True

True

True

True

True

True

Cloudberry

Incubator

2024-10-11

185

False

2

True

2025-04-09

5

2,2,6

25

1

True

True

True

True

True

False

False

False

DevLake

Incubator

2022-04-29

1081

False

2

True

2022-05-12

1068

0,0,0

34

0

True

True

True

True

True

True

True

True

Fury

Incubator

2023-12-15

486

False

2

True

2023-12-16

485

0,0,0

12

0

True

True

True

True

True

True

True

True

Gluten

Incubator

2024-01-11

459

False

1

True

2024-01-15

455

0,0,0

38

0

True

True

True

True

True

True

True

True

Grails

Groovy

2025-01-25

79

False

h

True

2025-04-01

13

5,5,-

13

0

True

False

True

True

False

False

False

False

GraphAr

Incubator

2024-03-25

385

False

2

True

2024-04-07

372

0,0,0

11

0

True

True

True

True

True

True

True

True

Gravitino

Incubator

2024-06-04

314

False

3

False

0

25

0

True

False

False

False

True

True

True

True

Hamilton

Incubator

2025-04-12

2

False

2

True

2025-04-12

2

2,-,-

-

1

False

False

True

True

False

False

False

False

HertzBeat

Incubator

2024-04-05

374

False

1

True

2024-04-11

368

0,0,0

25

0

True

True

True

True

True

True

True

True

HoraeDB

Incubator

2023-12-11

490

False

2

True

2023-12-16

485

0,0,0

15

0

True

True

True

True

True

True

True

True

HugeGraph

Incubator

2022-01-23

1177

False

1

True

2024-12-13

122

0,0,1

18

6

True

True

True

False

True

True

True

True

Iggy

Incubator

2025-02-04

69

True

3

True

2025-03-07

38

1,3,-

13

0

True

True

True

True

True

True

True

False

KIE

Incubator

2023-01-13

822

False

3

True

2024-02-13

426

0,0,0

64

0

True

True

True

True

True

True

True

True

Livy

Incubator

2017-06-05

2870

False

1

True

2017-06-23

2852

0,0,0

24

0

True

False

False

False

True

True

True

True

Nemo

Incubator

2018-02-04

2626

False

3

True

2018-03-01

2601

0,0,0

18

0

True

True

True

True

True

True

True

True

NLPCraft

Incubator

2020-02-13

1887

False

2

True

2020-10-08

1649

0,0,0

10

1

True

False

False

False

True

True

True

True

OpenServerless

Incubator

2024-06-17

301

False

3

True

2024-07-20

268

0,0,2

13

0

True

True

True

True

True

False

False

False

Otava

Incubator

2024-11-27

138

True

3

True

2025-03-26

19

3,4,6

9

1

True

False

True

True

True

False

False

False

OzHera

Incubator

2024-07-11

277

False

3

False

0

13

0

True

False

False

False

True

True

True

True

Pegasus

Incubator

2020-06-28

1751

False

1

True

2023-12-20

481

0,0,0

19

5

True

True

True

True

True

True

True

True

Polaris

Incubator

2024-08-09

248

False

3

True

2024-08-27

230

0,0,1

21

0

True

True

True

True

True

True

True

True

Pony Mail

Incubator

2016-05-27

3244

True

1

True

2024-07-19

269

0,0,1

10

0

True

True

True

True

True

True

True

True

ResilientDB

Incubator

2023-10-21

541

False

1

True

2024-04-11

368

0,0,0

31

0

True

False

True

False

True

True

True

True

Seata

Incubator

2023-10-29

533

False

2

True

2023-12-02

499

0,0,0

32

0

True

True

True

True

True

True

True

True

StormCrawler

Incubator

2024-03-19

391

False

1

True

2024-03-29

381

0,0,0

10

0

True

True

True

True

True

True

True

True

Teaclave

Incubator

2019-08-20

2064

True

1

True

2023-04-04

741

0,0,0

26

3

True

False

False

False

True

True

True

True

Texera

Incubator

2025-04-12

2

False

2

True

2025-04-12

2

3,-,-

-

1

False

False

True

True

False

False

False

False

Toree

Incubator

2015-12-02

3421

False

2

True

2020-07-19

1730

0,0,0

11

3

True

True

False

False

True

True

True

True

Training

Incubator

2019-02-21

2244

False

2

True

2019-02-28

2237

0,0,0

17

0

True

True

True

True

True

True

True

True

Wayang

Incubator

2020-12-16

1580

False

3

True

2021-01-22

1543

0,0,0

16

0

True

False

True

True

True

True

True

True

XTable

Incubator

2024-02-11

428

False

2

True

2024-05-16

333

0,0,0

10

0

True

True

True

True

True

True

True

True

Podling

Sponsor

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

Definitions, Notes, and References

The orange and vermilion items indicate where more care and attention is needed. The following notes for each column provide definitions and attempt to link directly to the relevant process documentation:

Podling

The name of each podling is linked to a podling clutch analysis page. If your podling is in incubation, but is missing from the Clutch table, then it still needs to be added to the content/podlings.xml file. See the mentor’s guide. Clutch also generates the Projects page from content/podlings.xml.

Sponsor

Usually the Incubator sponsors podlings. Occasionally Apache Top Level Projects (TLPs) sponsor podlings. The sponsor is chosen on the proposal. Set the value in the content/podlings.xml entry for the podling.

A: Start Date

This is the date the podling started. Usually this is the date the podling proposal vote passed on the Incubator mailing list. Set this in the content/podlings.xml entry for the podling.

B: Elapsed Days

This is the number of days since the start date. This is color coded according to the normal timeline of a podling. <3, <12, <18, <24, >24 months. We may adjust these levels to better fit currently-observed cycles.

C: Reporting Monthly

For the first three months podlings report monthly. If the podling misses a report, it returns to the monthly-reporting requirement until it reports again.

D: Reporting Group

Which months the podling reports: 1 = January, April, July, October; 2 = February, May, August, November; 3 = March, June, September, December. Note that the report process for a month begins at the end of the prior month. The IPMC chair sends out the reporting schedule on a monthly basis, and reminders to each podling’s dev list.

E: Has Status File

Each podling maintains a status file in content/projects/(podling).xml which Clutch converts to a status page. Your mentor sets up the file and then the podling maintains it. The key part to maintain is the "News" section, where you announce New Committers, PPMC Members, and Releases. For greater detail, please see:

Click the link in the cell to view the current status page.

F: Status Update Date

The date the status page was last updated. Keep the Status Page up to date with frequent news about:

  • New Committers

  • New PPMC Members

  • New Releases

  • New Repositories

  • New Resources

G: Status Age

Days since the status page was last updated. The text color indicates when a podling is not keeping its status up to date. <2, <4, <9, >9 months.

H: Status Update Counts

Cumulative number of commits to the podling status file in the previous 2, 4, and 9 months

I: Number of Committers

The number of committers who have been approved to date. Taken from Whimsy via public project ldap. Maintained in Whimsy through the roster pages. Click the cell to view the public phone book.

J: Number of New Committers

The number of committers added since establishment. This count comes from the Status page "News" section. See guides on voting in new committers and new ppmc members.

K: Has a Code Repository

Indicates whether the podling has created a Gitbox or Subversion code repository. Projects may have multiple Gitbox repositories. Click the podling name in the first column to view all of the podling’s repositories. A podling coming to the ASF may need to request a migration or a new repository. The list of Gitbox repositories comes from Gitbox json.

L: Has Issue Tracker

Indicates whether the podling has an Issue Tracker. If the status file has an issue tracker link and the link is valid, there is a link to the tracker in the cell.

M: Has a Dev Mailing List

Indicates whether the podling has established a dev email list and archives. This comes from the status page, and Clutch confirms that it matches the usual naming pattern. If the list is available, the cell has a link to the mailbox archive podling dev list.

N: Has a Commits Mailing List

Indicates whether the podling has established a commits email list and archives. This comes from the status page, and Clutch confirms that it matches the usual naming pattern. If the list is available, the cell has a link to the mailbox archive podling commits list. Sometimes a podling will start by directing code repository and issue tracker notification emails to their dev list. This will often obscur meaningful conversation.

O: Has a Web Site

Podlings should maintain a website so the user community can find out information about the podling and The Apache Software Foundation. Here is the incubator’s website guide. If the website is not provided in the status file, Clutch tries to find it using the usual naming patterns.

If the website exists, the cell provides a link to it. Whimsy provides a periodic scan of podling websites which you can view here. The clutch process uses json data to add notes about website issues to the podling’s clutch analysis page under "Errata".

P: Has a Distribution Area

Indicates whether the podling has a directory in the incubator’s release distribution directory. If this exists, the cell provides a link.

Q: Has Release Signing Keys

Indicates whether the podling has a PGP "Signing KEYS" file in its distribution area. If this is present, the cell provides a link.

R: Has a Release in the Distribution Area

Indicates whether the podling has a release in their distribution area. Podlings must comply with Apache release and release distribution policies as modified by the Incubator.

If there is a podling release, the cell provides a link to the podling’s clutch analysis page’s release section.

Graduating

Once the Board has approved the podling’s graduation resolution, update your podling metadata in the content/podlings.xml file as you progress through graduation. Complete the tasks listed in the documentation, such as a final tidy of the status page. See Infrastructure steps for graduation.

Retirement

Once the Incubator PMC has agreed to a podling’s retirement, update the podling metadata and tidy the status page. If the podling is continuing development elsewhere, make sure to provide the new location. When this occurs chances are someone on the IPMC will handle these duties ad hoc.

Other Issues

Sometimes other issues are found which are listed below for:

  • gravitino

  • ozhera

  • pekko

  • SEVERE

  • toree

  • yunikorn

Assist with Incubation Steps

Clutch helps us all follow the process from the "Acceptance" phase onwards. Any committer to a podling can help with these steps. Don’t leave it all to your mentors, although there are some steps that only they can do.

Mentors

This list comes from the Projects in incubation summary table. The Mentors are ASF members or individuals recognized by the IPMC who have chosen to assist these projects. The best way to find mentors for a new project is during your Discuss and Proposal phases on the general@ mail list.

  1. Andrea Cosentino (acosentino): KIE

  2. Ayush Saxena (ayushsaxena): Hamilton, StormCrawler

  3. Benjamin Young (bigbluehat): Annotator

  4. Bernd Fondermann (berndf): Wayang

  5. Bertrand Delacretaz (bdelacretaz): Baremaps, OpenServerless, Polaris

  6. Bikas Saha (bikas): Livy

  7. Brian Proffitt (bkp): KIE

  8. Byung-Gon Chun (bgchun): Nemo

  9. Calvin Kirs (kirs): Baremaps, GraphAr, ResilientDB

  10. Cezar Andrei (cezar): Texera

  11. Christofer Dutz (cdutz): Training, Wayang

  12. Claus Ibsen (davsclaus): KIE

  13. Craig Russell (clr): Training

  14. Dave Fisher (wave): Otava, StormCrawler

  15. Duo zhang (zhangduo): OzHera, Pegasus

  16. Enrico Olivelli (eolivelli): Fury, OpenServerless, Otava

  17. Evans Ye (evansye): NLPCraft

  18. Felix Cheung (felixcheung): DevLake, Gluten, Teaclave

  19. Francis Chuang (francischuang): HertzBeat

  20. François Papon (fpapon): OpenServerless

  21. Furkan Kamaci (kamaci): Teaclave, NLPCraft

  22. Gang Li (lgcareer): HoraeDB

  23. George Percivall (percivall): Baremaps

  24. Gordon King (garyw): Teaclave, Texera

  25. Hao Ding (xuanwo): Fury, Iggy

  26. Heng Du (duhengforever): Seata

  27. Holden Karau (holden): Polaris

  28. Hulk Lin (hulk): Iggy

  29. Huxing Zhang (huxing): Seata

  30. Hyunsik Choi (hyunsik): Nemo

  31. Jean-Baptiste Onofré (jbonofre): DevLake, Gravitino, Livy, Nemo, OpenServerless, Polaris, Wayang, XTable

  32. Jesús Camacho Rodríguez (jcamacho): XTable

  33. Jianyong Dai (daijy): Gravitino, Teaclave

  34. John D. Ament (johndament): Pony Mail

  35. Julian Hyde (jhyde): Baremaps

  36. Junping Du (junping_du): Gravitino, ResilientDB

  37. Justin Mclean (jmclean): Amoro, Gravitino, HertzBeat, Seata, Training

  38. Kent Yao (yao): Amoro, Cloudberry, Gluten, Polaris

  39. Kevin Ratnasekera (djkevincr): Hamilton, OzHera, ResilientDB

  40. Konstantin I Boudnik (cos): NLPCraft

  41. Lari Hotari (lhotari): Otava

  42. Larry McCay (lmccay): Gravitino

  43. Lars Francke (larsfrancke): Training

  44. Lars George (larsgeorge): Wayang

  45. Lewis John McGibbney (lewismc): StormCrawler

  46. Liang Chen (chenliang613): Pegasus

  47. Liang Zhang (zhangliang): DevLake

  48. Lidong Dai (lidongdai): DevLake, HugeGraph

  49. Liu Xun (liuxun): Pegasus

  50. Luciano Resende (lresende): Livy, Toree

  51. Madhawa Kasun Gunasekara (madhawa): Livy

  52. Markus Weimer (weimer): Nemo

  53. Martin Desruisseaux (desruisseaux): Baremaps, Baremaps

  54. Matt Sicker (mattsicker): Teaclave

  55. Mick Semb Wever (mck): Otava

  56. Nick Kew (niq): Annotator

  57. PJ Fanning (fanningpj): Fury, Hamilton, OpenServerless, StormCrawler, Texera

  58. Paul King (paulk): Grails, NLPCraft

  59. Roman Shaposhnik (rvs): Cloudberry

  60. Ryan Blue (blue): Polaris, Toree

  61. Shaofeng Shi (shaofengshi): Gluten, Gravitino, HoraeDB

  62. Sheng Wu (wusheng): Seata

  63. Sijie Guo (sijie): DevLake

  64. Soeren Glasius (sbglasius): Grails

  65. Stamatis Zampetakis (zabetak): XTable

  66. Tommaso Teofili (tommaso): Annotator

  67. Trista Pan (panjuan): HugeGraph

  68. Von Gosling (vongosling): HoraeDB, Pegasus

  69. Weiwei Yang (wwei): Toree

  70. Wenli Zhang (ovilia): Gluten

  71. Willem Ning Jiang (ningjiang): Cloudberry, DevLake, HugeGraph

  72. Xiangdong Huang (hxd): HugeGraph

  73. Xiaoqiao He (hexiaoqiao): GraphAr

  74. Xin Wang (xinwang): Fury, Seata

  75. Xinyu Zhou (yukon): Amoro

  76. Yonglun Zhang (zhangyonglun): HertzBeat

  77. Yonik Seeley (yonik): Iggy

  78. Yu Li (liyu): Amoro, Fury, Gluten, GraphAr, HugeGraph, OzHera

  79. Yu Xiao (xiaoyu): HertzBeat, OzHera

  80. Zhijie Shen (zjshen): Teaclave

  81. Zhongyi Tan (jerrytan): Amoro

  82. Zili Chen (tison): Fury, GraphAr, HoraeDB, Iggy

Notes

Any Incubator committer can run 'clutch'. In the top-level of the SVN repos incubator/public/trunk SVN, do: './clutch2.sh' to re-generate the data files and Asciidoctor files for the clutch. This is all a part of the normal build in GIT: Incubator Git. See the Readme.

Clutch reads the source file for the projects currently in incubation table (i.e. content/podlings.xml), ensures that each new project has an entry, and adds some more attributes. Clutch then gathers some data from each project’s Status page and validates that certain resources are established and steps have been achieved.

Clutch output includes data files

Podling Clutch Analysis Page

The clutch analysis fills the data included on this page and creates an analysis for each podling that can be linked to from the podling name in the clutch table.

Description

  • The podling description from content/podlings.xml

  • The podling start date.

  • The date of the last update of project/status.xml.

  • The reporting cycle.

  • The number of committers and ppmc members. Indication if these are equal.

  • Mentor list including apache ids.

News

Copies the news from the podling status page

Resources

Listing of various podling resources

Project Website

Link to podling’s public website

Mailing lists
  • Developer mailing list archive

  • Commits mailing list archive

Issue Tracker

Link to issue tracker

Wiki

Link to wiki

Repositories
  • Detailed list of gitbox repos from infra’s ground truth for the podling.

  • Link to any subversion repository.

  • For each gitbox repos:

    • Gitbox link

    • Github link

    • Description

    • Number of commits

    • Date of last commit

Releases

Information about the podling’s release, harvested from the distribution area’s svn repository.

Current

Current releases:

  • Link to the signing key, if it exists.

  • Link to instructions on how to verify a release.

  • Release list is suppressed if there are no signing keys

  • For each release:

    • Download link using closer.lua

    • Signature link

    • Hash link

    • Size of the download file

    • Date that the release was added to the distribution area.

    • User who moved the release.

    • Revision in the svn repository.

Errata

Issues which may require further work.

  • Errata has a list of potential issues identified for the podling.

  • Critical issues are in bold.

  • Links to pages on how to resolve the issue.

  • Link to the whimsy podling site scan/

Data files

Data files are also generated so that other tools can easily re-use the metadata for the set of projects currently in incubation:

  • clutch.txt - list of projects, one per line. Comma-separated values (CSV).

  • clutch.pkl - a Python "pickle" file with various attributes (it is in the top-level of SVN incubator/public/trunk).

  • One text file for each Reporting group listing the dev mail address of the podlings due to report in that group. (See report_due_1.txt, report_due_2.txt, and report_due_3.txt) These are used by the IPMC to send monthly report alert reminders.

  • podlings_graduated.txt - list of graduated podlings, one per line with start and end dates.

  • podlings_retired.txt - list of retired podlings, one per line with start and end dates.

Other Issues

Occasionally there are other issues, usually regarding podlings not cleaning up after their "graduation".

  • gravitino: Missing status file. See help.

  • ozhera: Missing status file. See help.

  • pekko: Has graduated, but still has remains on Incubator distribution mirrors. See help.

  • SEVERE: grails: expecting a singleton report group

  • toree: Has a distribution filename missing the word "incubating/incubator". See help.

  • yunikorn: Has graduated, but still has remains on Incubator distribution mirrors. See help.

Further Notes

The clutch is the set of eggs which have been laid. The mother hen (our Incubator PMC) needs to continually gather them, to ensure that none have rolled from the nest or moved to the outside, being forgotten or becoming cold. Clutch also means to grasp eagerly.

So please interpret this table and the detailed pages from the point-of-view of encouragement and nurture.

Origin

The nest was becoming full. Some podlings were forgotten, rolled into dark corners. We created a new tool, "clutch", to assist with oversight of all podlings (gmane link is now missing). The clutch started 2008-10-19. (missing gmane link) There was prior list discussion. Also see INCUBATOR-78

Colour Scheme

The colours for the table were specifically chosen to take into account colour-blindness and general accessibility. See the email discussion that led to this: Re: Clutch color coding. 2008-12-04 http://s.apache.org/clutch_colour and see some testing notes and demonstrations.

Thanks again to: "Color Universal Design (CUD) - How to make figures and presentations that are friendly to Colorblind people." Masataka Okabe and Kei Ito. (http://jfly.iam.u-tokyo.ac.jp/color/