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branch-4.0: [fix](fe) modify tablet cooldownConfLock to reduce memory #59356 #59499

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yiguolei merged 1 commit into from
Dec 31, 2025
Merged

branch-4.0: [fix](fe) modify tablet cooldownConfLock to reduce memory #59356 #59499

yiguolei merged 1 commit into from
Dec 31, 2025

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@github-actions github-actions bot commented Dec 30, 2025

Cherry-picked from #59356

@mymeiyi
[fix](fe) modify tablet cooldownConfLock to reduce memory (#59356)
6843cce 
### What problem does this PR solve?

the usage of `cooldownConfLock` is simple, does not need
ReentrantReadWriteLock because it cost too much memory, especially when
a cluster has many tablets.

before:
<img width="1280" height="575" alt="1"
src="https://github.com/user-attachments/assets/df626e1e-84ef-4078-8da7-d857ac960678"
/>

after:
<img width="1280" height="510" alt="2"
src="https://github.com/user-attachments/assets/3fee7407-0743-4d07-9462-a9f0e101765f"
/>
@github-actions github-actions bot requested a review from yiguolei as a code owner December 30, 2025 18:17
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hello-stephen commented Dec 30, 2025

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

@dataroaring dataroaring reopened this Dec 30, 2025
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hello-stephen commented Dec 30, 2025

run buildall

@hello-stephen
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hello-stephen commented Dec 30, 2025

FE UT Coverage Report

Increment line coverage 100.00% (6/6) 🎉
Increment coverage report
Complete coverage report

@yiguolei yiguolei merged commit 2078d35 into branch-4.0 Dec 31, 2025
24 of 27 checks passed
@github-actions github-actions bot deleted the auto-pick-59356-branch-4.0 branch December 31, 2025 03:05
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@hello-stephen @yiguolei @dataroaring @mymeiyi