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branch-4.1: [fix](auto partition) restrict dummy load locations to current compute group #66083 - #66352

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branch-4.1: [fix](auto partition) restrict dummy load locations to current compute group #66083#66352
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@github-actions github-actions Bot commented Aug 1, 2026

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Cherry-picked from #66083

…e group (#66083)

### What problem does this PR solve?

Automatic partition loads with no physical partitions create dummy
tablet locations. The previous logic sampled from all alive backends in
a cloud instance, allowing a backend from another compute group to be
selected. Restrict candidates to load-available, non-decommissioning
backends in the current compute group before choosing a dummy location.

### Release note

Fix automatic partition loads to choose dummy tablet locations from the
current compute group.
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github-actions Bot requested a review from yiguolei as a code owner August 1, 2026 14:16
@hello-stephen

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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?

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run buildall

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FE UT Coverage Report

Increment line coverage 75.00% (6/8) 🎉
Increment coverage report
Complete coverage report

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FE Regression Coverage Report

Increment line coverage 62.50% (5/8) 🎉
Increment coverage report
Complete coverage report

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