[GitHub] [shardingsphere] menghaoranss edited a comment on issue #8060: Design global lock for registry in multiple proxies case

[GitBox <gi...@apache.org>]

menghaoranss edited a comment on issue #8060:
URL: https://github.com/apache/shardingsphere/issues/8060#issuecomment-732726042


   Task list:
   
   **1. Implement global asynchronous lock**
     - [ ] 1.1. Initialize the distributed lock module in the governance project
     - [ ] 1.2. Realize global lock
     - [ ] 1.3. Design and implement proxy state queue
     - [ ] 1.4. Implement proxy to monitor global lock and  lock itsself
     - [ ] 1.5. Achieve unlock after the proxy completes metadata synchronization
     - [ ] 1.6.Try to acquire the global lock before ddl execution, asynchronously notify the cluster to lock, and release the lock after the execution is complete
     - [ ] 1.7. Improve unit tests
   
   
   
   **2.Synchronous processing & Blocking requests & Improve** 
     - [ ] 2.1. Realize the lock confirmation process before executing ddl
     - [ ] 2.2. Implement blocking requests in proxy lock state
     - [ ] 2.3. Realize the proxy blocking state after ddl execution is completed
     - [ ] 2.4. Optimize the process of ddl lock failure
     - [ ] 2.5. Optimize the online and offline situation of the proxy during the lock process
     - [ ] 2.6. Improve unit tests


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