shidayang

Subtask of #446

Subtask for #256

@haoch thanks，I also have a question. can siddhi resolve unsort event?

> 目前hudi社区也已经有元数据管理服务，也提供接口，现在是不是对接管理开发也更容易了，能不能加快一下排期呢？ We are very interested in integrating Hudi. Are you interested in driving this feature?