Quarterly report of IoTDB

[Xiangdong Huang <sa...@gmail.com>]

Hi all,

It is time to submit the quarterly report of IoTDB to the Board.

The following is the draft:

## Description:
The mission of Apache IoTDB is the creation and maintenance of software
related
to an IoT native database with high performance for data management and
analysis

## Issues:
[Insert your own data here]

no

## Membership Data:
Apache IoTDB was founded 2020-09-16 (a year ago)
There are currently 45 committers and 25 PMC members in this project.
The Committer-to-PMC ratio is 9:5.

Community changes, past quarter:
- Houliang Qi was added to the PMC on 2021-12-24
- Eric Pai was added as committer on 2021-12-24
- Binghua Song was added as committer on 2021-12-23
- Jianyun Cheng was added as committer on 2022-01-01
- Hongshan Miao was added as committer on 2022-01-01

## Project Activity:
[Insert your own data here]

The community is working for releasing v0.12.5 and v0.13.0, while 0.12.5
is a bug-fix version and the v0.13.0 contains many new features.

The codes of subproject, iotdb-quality, have been merged. Now it is called
as UDF-library, which is more suitable because the module contains many
functions
including not only data quality functions but also others.


## Community Health:
[Insert your own data here]

- An online Chinese meetup was host on Feb 19th, Alibaba, 360 and Cloudwise
introduced their practices and improvement on IoTDB.
- More PRs are proposed on Github, as there are more and more new
committers joing the community.
(there are 168 contributors according to Github's statistics)

If you have any suggestions or something that you think should be
reported to the Board, let me know.

Best,
-----------------------------------
Xiangdong Huang
School of Software, Tsinghua University

 黄向东
清华大学 软件学院