turboFei edited a comment on issue #1754:
URL: 
https://github.com/apache/incubator-kyuubi/issues/1754#issuecomment-1085502551


   ## KVStore
   ```
   def get[T](key: String): T
   def set(key: String, value: Object): Unit
   def keySet(size: Int): Seq[String] // if size is 0, return all the keys
   def count(): Int
   def remove(key: String): Unit
   ```
   
   <img width="937" alt="image" 
src="https://user-images.githubusercontent.com/6757692/161211397-3102783e-9e10-4dc4-a85f-15b9e6473426.png";>
   
   ## Session/OperationManager recovery
   
   ```
   def init(conf: KyuubiConf): Unit = {
     // …
     store = …
   }
   
   store.set(...)
   store.get(...)
   store.remove(...)
   
   // recover from the state store
   def  recover(): Unit = {
      store.keySet(0).foreach { … }
   }
   
   ```
   
   ## Engine connection recovery
   - Kyuubi Engine SessionManager reserve the sessionHandle and SparkSession 
mapping
   - Support to recover the internal connection between kyuubi server and 
kyuubi engine
   


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]



---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to