[Report] Apache Kylin - May 2020

[ShaoFeng Shi <sh...@apache.org>]

Hello, forks, below the board report of Kylin.

## Description:
The mission of Apache Kylin is the creation and maintenance of
software related to a distributed and scalable OLAP engine

## Issues:
There are no issues requiring board attention.

## Membership Data:
Apache Kylin was founded 2015-11-18 (4 years ago)
There are currently 40 committers and 23 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 Chunen Ni on 2019-11-26.
- Kaige Liu was added as a committer on 2020-03-24

## Project Activity:
Released two bug-fix releases in the first quarter of 2020. The
v2.6.6, v3.0.2, and v3.1.0 are also on the way. And several
contributors are working on the parquet storage which is planned
in Kylin v4.0.

The community holds several online meetups:
- March 14, Kylin + Hudi online meetup, Shaofeng Li, Tianpeng Zhou and
  Shaofeng Shi shared Hudi, Kylin realtime, and "Hudi + Kylin for NRT
  data warehouse" topics;
- April 9, Kylin on Parquet quick start the online webinar, Rupeng Wang,
Yiming Xu shared Kylin on Parquet technologies and performance data.
- April 9, Apache Kylin 101: Get Sub-Second Analytics on Massive Datasets,
  Kaige Liu introduced the basic concepts of Kylin in the online webinar

Recent releases:
2.6.5 was released on 2020-02-19.
3.0.1 was released on 2020-02-19.
3.0.0 was released on 2019-12-18.


## Community Health:
Due to the Chinese Spring festival and the impact of COVID-19,
the activity in the past quarter is less than last year.

dev@kylin.apache.org had a 16% decrease in traffic in the past
quarter (251 emails compared to 297)
user@kylin.apache.org had a 55% decrease in traffic in the past
quarter (102 emails compared to 226)
105 issues opened in JIRA, past quarter (-21% decrease)
133 issues closed in JIRA, past quarter (34% increase)
153 commits in the past quarter (-54% decrease)
45 code contributors in the past quarter (-6% decrease)
89 PRs opened on GitHub, past quarter (-50% decrease)
86 PRs closed on GitHub, past quarter (-54% decrease)

Best regards,

Shaofeng Shi 史少锋
Apache Kylin PMC
Email: shaofengshi@apache.org

Apache Kylin FAQ: https://kylin.apache.org/docs/gettingstarted/faq.html
Join Kylin user mail group: user-subscribe@kylin.apache.org
Join Kylin dev mail group: dev-subscribe@kylin.apache.org