[Caideyipi]

Description

As the title said.

---

This PR has:

• been self-reviewed.
  • concurrent read
  • concurrent write
  • concurrent read and write
• added documentation for new or modified features or behaviors.
• added Javadocs for most classes and all non-trivial methods.
• added or updated version, license, or notice information
• added comments explaining the "why" and the intent of the code wherever would not be obvious
  for an unfamiliar reader.
• added unit tests or modified existing tests to cover new code paths, ensuring the threshold
  for code coverage.
• added integration tests.
• been tested in a test IoTDB cluster.

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Key changed/added classes (or packages if there are too many classes) in this PR

[codecov]

Codecov Report

❌ Patch coverage is 83.01887% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 44.02%. Comparing base (78d4c7f) to head (ab6777d).
⚠️ Report is 3 commits behind head on rc/2.0.12.

Files with missing lines	Patch %	Lines
...on/broker/consensus/ConsensusPrefetchingQueue.java	0.00%	6 Missing ⚠️
...cription/broker/consensus/ProgressWALIterator.java	0.00%	3 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##             rc/2.0.12   #19255      +/-   ##
===============================================
+ Coverage        43.97%   44.02%   +0.05%     
- Complexity         458      505      +47     
===============================================
  Files             5468     5468              
  Lines           398624   398675      +51     
  Branches         52454    52464      +10     
===============================================
+ Hits            175298   175526     +228     
+ Misses          223326   223149     -177     

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