[REPORT] MADlib - July 2021

["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.


## Activity:

- Release 1.18.0 occurred on Apr 5, 2021 which was
the 8th release as an Apache TLP project.

- Community is working on the 1.19.0 release including the following JIRAs:
* multilayer perceptron - add Adam and RMSprop optimizers
* ARIMA - add GROUP BY feature
* weakly connected components and other graph methods - add incremental methods
* next phase of DBSCAN clustering algorithm

- Upcoming VLDB 2021 paper that incudes recent work on Apache
MADlib:https://adalabucsd.github.io/papers/2021_Cerebro-DS.pdf
Several MADlib committers are co-authors on the paper together with UC
San Diego researchers.


## Health report:

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 5 in the 2nd quarter of calendar year 2021.

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


## PMC changes:

- Most recent PMC members added:
Ekta Khanna (Feb 2021)
Domino Valdano (Feb 2021)
- Currently stands at 16 PMC members.


## 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: v1.19.0 planned for 2H 2021
- 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 20 posts to dev@
and 5 posts to user@ for the last 3 months Apr-Jun 2021.


## JIRA Statistics:

- 3 JIRA tickets created in the 3 months
- 8 JIRA tickets resolved in the 3 months