deardeng opened a new pull request, #48564:
URL: https://github.com/apache/doris/pull/48564

   …uch CPU when high-frequency stream loads
   
   ### What problem does this PR solve?
   
   Issue Number: close #xxx
   
   Related PR: #xxx
   
   Problem Summary:
   Fix:
   <img width="1399" alt="image" 
src="https://github.com/user-attachments/assets/ff18958f-82d3-4a83-ade5-46883c263691";
 />
   
   
   Prevent fe getbackendid from consuming too much CPU when high-frequency 
stream loads
   
   1. Periodic scheduling of creating partitions, creating between multiple 
partitions, should also be broken down to avoid CPU concentration causing high 
performance
   2. Check the calling method of getBackendId function to prevent redundant 
calls
   
   
   
   ### Release note
   
   None
   
   ### Check List (For Author)
   
   - Test <!-- At least one of them must be included. -->
       - [ ] Regression test
       - [ ] Unit Test
       - [ ] Manual test (add detailed scripts or steps below)
       - [x] No need to test or manual test. Explain why:
           - [x] 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:
       - [x] No.
       - [ ] 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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