[To dev/1.3] Load balance patch (#17463) (#17493)

[CRZbulabula]

No description provided.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

❌ Patch coverage is 0% with 22 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.57%. Comparing base (8d1ad63) to head (b009fbd).
⚠️ Report is 1 commits behind head on dev/1.3.

Files with missing lines	Patch %	Lines
...ryengine/plan/analyze/ClusterPartitionFetcher.java	0.00%	17 Missing ⚠️
.../confignode/manager/load/service/EventService.java	0.00%	5 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@## dev/1.3 #17527 +/- ##
=============================================
- Coverage 41.58% 41.57% -0.01% 
Complexity 227 227 =============================================
Files 3597 3597 Lines 236916 236931 +15 Branches 28673 28675 +2 =============================================
- Hits 98516 98514 -2 - Misses 138400 138417 +17 

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