[Draft][Report] Apache Kylin - May 2020

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

Hi all,

Here's Kylin board report for this cycle, please help to review and leave
your feedback here. If some information needs to be added, please list here.

## 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 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 on the way. And several contributors are working on
the parquet storage which is planned in Kylin v4.0.

Besides, the community holds several online meetups:
- March 14, Kylin + Hudi (incubating) online joint meetup, Shaofeng Li,
Tianpeng Zhou and Shaofeng Shi shared Hidi, Kylin realtime, and "Hudi +
Kylin for NRT data warehouse" topics;
- April 9, Kylin on Parquet quick start online webinar, Rupeng Wang, Yiming
Xu shared Kylin on Parquet technologies and performance data.
- April 9, Apache Kylin 101 online webinar: 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 impact of COVID-19, the activities of the community is much less
than the previous cycles

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

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