xy720 opened a new pull request, #54516:
URL: https://github.com/apache/doris/pull/54516

   ### What problem does this PR solve?
   
   ```
   Restore job state:
                                    +--------------+
                                    |   PREPARED   | 
                                    +--------------+
                                          |  | 
                              +-----------+  +-----------+
                              |  commit                  |
                              V                          |
                      +--------------+  abort/expired    | abort/expired
                      |   COMMITTED  | ---------------+  | 
                      +--------------+                |  | 
                              |                       |  | 
                              | complete              |  | 
                              V                       V  V 
                       +--------------+           +--------------+
                       |   COMPLETED  |           |   DROPPED    | 
                       +--------------+           +--------------+
                              |                          |
                              +----------+   +-----------+
                         recycle kv      |   |  recycle kv & data
                                         V   V 
                                    +--------------+
                                    |   RECYCLING  | 
                                    +--------------+
   ```
   
   Problem Summary:
   
   Dealing with the following situation
   1. Repeated calls to prepare/commit/finish interfaces (idempotent)
   2. RPC is delayed for a long time and does not arrive until other interfaces 
are called in the future, resulting in a disorder in the order of calling 
interfaces
   
   Now only final state(Dropped/Completed) could be recycled,  and the final 
state can only be determined by Fe.
   
   
   ### Release note
   
   None
   
   ### Check List (For Author)
   
   - Test <!-- At least one of them must be included. -->
       - [ ] Regression test
       - [x] Unit Test
       - [ ] Manual test (add detailed scripts or steps below)
       - [ ] No need to test or manual test. Explain why:
           - [ ] This is a refactor/code format and no logic has been changed.
           - [ ] Previous test can cover this change.
           - [ ] No code files have been changed.
           - [ ] Other reason <!-- Add your reason?  -->
   
   - Behavior changed:
       - [ ] No.
       - [x] Yes. <!-- Explain the behavior change -->
   
   - Does this need documentation?
       - [x] No.
       - [ ] Yes. <!-- Add document PR link here. eg: 
https://github.com/apache/doris-website/pull/1214 -->
   
   ### Check List (For Reviewer who merge this PR)
   
   - [ ] Confirm the release note
   - [ ] Confirm test cases
   - [ ] Confirm document
   - [ ] Add branch pick label <!-- Add branch pick label that this PR should 
merge into -->
   
   


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