sure, kim and haoran will follow the metadata issue in future ------------------ Zhao Jun (cherrylzhao) Apache ShardingSphere & ServiceComb
> On Feb 8, 2020, at 10:59 AM, guangyuan wang <[email protected]> wrote: > > 4. Design Metadata model, integrate with Config and Registry. > Zhaojun has mentioned this before, did he discuss with you? > > 秦金卫 <[email protected]> 于2020年2月6日周四 下午9:17写道： > >> Hello, Nicholas: >> We will provide every specified design document for each phase, and >> send a mail to invite community members, join in and discuss about the >> certain topic. >> At 2020-02-06 19:41:17, "蒋晓峰" <[email protected]> wrote: >>> Hi, Haoran Meng: >>> Could you please provide the design document of "upgrade the >>> Orchestration module to the Governance module"? And please put the >> document >>> into confluence of wiki to let community developer for reference. >>> >>> Thanks, >>> Nicholas Jiang >>> >>> On Thu, Feb 6, 2020 at 4:18 PM Haoran Meng <[email protected]> >> wrote: >>> >>>> Hello everyone, we plan to optimize Orchestration of Apache >>>> ShardingSphere(incubator)， >>>> >>>> and we plan to upgrade the Orchestration module to the Governance >> module. >>>> >>>> The goal is to package Governance as a core component of distributed >>>> database HA. >>>> >>>> Here are our plans: >>>> >>>> 1. >>>> >>>> Sort out and redesign ConfigCenter and RegistryCenter, and separate >> them >>>> from specific domain models, so that developers can easily integrate >> and >>>> implement data access and change notification functions based on a >>>> certain >>>> technology. >>>> 2. >>>> >>>> Consider the functions of Distributed Lock and Leaf ID Generator, >> keep >>>> or integrate third party? >>>> 3. >>>> >>>> Provide API and SPI related to the above designs, which requires >> clear >>>> and Least Knowledge Principle. >>>> 4. >>>> >>>> Design Metadata model, integrate with Config and Registry. >>>> 5. >>>> >>>> Design the management of JDBC and Proxy nodes, the detection and >>>> reconstruction mechanism after nodes crashed. >>>> 6. >>>> >>>> Design the elegant Refresh mechanism of Connection and the processing >>>> under the multi-threaded Executor. Minimize the reconstruction of all >>>> internal and external resource objects. >>>> 7. >>>> >>>> Design the model and synchronization mechanism of Rules and >> DataSources. >>>> 8. >>>> >>>> Spring NameSpace, Spring Boot integration. >>>> 9. >>>> >>>> Governance module integrates with JDBC and Proxy modules to achieve >> HA. >>>> >>>> Everyone is welcome to actively discuss and provide comments and >>>> suggestions. >>>> >>
