[REPORT] MADlib - Apr 2022

["FENG, Xixuan (Aaron)" <xi...@gmail.com>]

## Description:

- Apache MADlib is a scalable, big data, SQL-driven machine learning
framework for data scientists.


## Issues:

- There are no issues requiring board attention at this time.


## Project Activity:

- Release 1.19.0 occurred on Mar 8, 2022 which was
the 9th release as an Apache TLP project.

New features include:
DBSCAN: Fast parallel-optimized DBSCAN.
MLP: Add rmsprop and Adam optimization techniques.

Improvements:
Graph: Improve WCC subtx count and catalog entry frequency.
MLP: Set lambda value for minibatch.
GLM-multinom: Use non-temp tables in GroupIterationController.
Jenkins: Add new dockerfile for PG11.
Build: Use dynamic_library_path for module pathname.


## Community Health:

The community is relatively small but very engaged with robust mailing
list traffic, interest in doing frequent releases and new
functionality being developed by contributors.

The number of developers actively contributing to the code/documentation
is approximately 3 in the 2nd quarter of calendar year 2022.

We will constantly be on a lookout for new community members to be
invited either as committers or PMC.


## Membership Data:

- Currently stands at 16 PMC members, no new members added since last report
- The most recent PMC members added were:
Ekta Khanna (Feb 2021)
Domino Valdano (Feb 2021)


## Committer base changes:

- Currently 17 committers, no new committers since last report.

- The most recent committers added were:
Ekta Khanna (2019-07-27)
Himanshu Pandey (2019-07-27)
Domino Valdano (2019-07-27)


## Releases:

- Next release: Currently working on v1.20.0
- v1.19.0 released on 2022-03-08
- v1.18.0 released on 2021-04-05
- v1.17.0 released on 2020-04-09
- v1.16.0 released on 2019-07-08


## Mailing list activity:

Mailing list activity was 26 posts to dev@
and 14 posts to user@ for the last 3 months Jan-Mar 2022.


## JIRA Statistics:

- 4 JIRA tickets created in the 3 months
- 2 JIRA ticket resolved in the 3 months