基于 4.4.8 源码修改，主要是修改 zabbix server 和 mysql web 的源码，目前在作者公司测试环境的 TiDB 3.0 数据库上，稳定运行了一段时间。
此为实验性尝试，目的是探索 zabbix 将 TiDB 作为 server 后端数据库的可能，并且 zabbix 5.0 + timescaledb(compress) 的方案做对比，尝试寻求海量监控数据的可扩展存储方案。
注意：请勿用于生产环境。
-----

Zabbix is free software, released under the GNU General Public License
(GPL) version 2.

You can redistribute it and/or modify it under the terms of the GNU GPL
as published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The formal terms of the GPL can be found at
http://www.fsf.org/licenses/ .

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.

Exception for linking with OpenSSL

In addition, as a special exception, we give permission to link the code
of Zabbix with the OpenSSL project OpenSSL library (or with modified
versions of it that use the same license as the OpenSSL library), and
distribute the linked executables.

Please see http://www.zabbix.com/ for detailed information about Zabbix.

On-line Zabbix documentation is available at
http://www.zabbix.com/documentation/4.4/manual/ .

Zabbix installation instructions can be found at
http://www.zabbix.com/documentation/4.4/manual/installation/ .

If you are installing Zabbix from packages the instructions can be found at
http://www.zabbix.com/documentation/4.4/manual/installation/install_from_packages .