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[9.3] Overall Decision for Deciders prioritizes THROTTLE (#140237)#140261

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elasticsearchmachine merged 2 commits intoelastic:9.3from
DiannaHohensee:backport/9.3/pr-140237
Jan 8, 2026
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[9.3] Overall Decision for Deciders prioritizes THROTTLE (#140237)#140261
elasticsearchmachine merged 2 commits intoelastic:9.3from
DiannaHohensee:backport/9.3/pr-140237

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@DiannaHohensee DiannaHohensee commented Jan 7, 2026

Backports the following commits to 9.3:

@DiannaHohensee @nicktindall
@henningandersen @ywangd
Overall Decision for Deciders prioritizes THROTTLE (elastic#140237)
35562cc 
Fixing a bug where AllocationDeciders could summarize
AllocationDecider responses as NOT_PREFERRED, which allows shard
movement, when an AllocationDecider responded THROTTLE.

Relates ES-13903

Co-authored-by: Nick Tindall <nick.tindall@elastic.co>
Co-authored-by: Henning Andersen <33268011+henningandersen@users.noreply.github.com>
Co-authored-by: Yang Wang <ywangd@gmail.com>
@DiannaHohensee DiannaHohensee added :Distributed/Allocation All issues relating to the decision making around placing a shard (both master logic & on the nodes) >bug auto-merge-without-approval Automatically merge pull request when CI checks pass (NB doesn't wait for reviews!) backport serverless-linked Added by automation, don't add manually Team:Distributed Coordination (obsolete) Meta label for Distributed Coordination team. Obsolete. Please do not use. labels Jan 7, 2026
@elasticsearchmachine elasticsearchmachine mentioned this pull request Jan 7, 2026
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@nicktindall nicktindall self-assigned this Jan 8, 2026
@elasticsearchmachine elasticsearchmachine merged commit 3d9ba33 into elastic:9.3 Jan 8, 2026
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@DiannaHohensee DiannaHohensee deleted the backport/9.3/pr-140237 branch January 8, 2026 03:45
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auto-merge-without-approval Automatically merge pull request when CI checks pass (NB doesn't wait for reviews!) backport >bug :Distributed/Allocation All issues relating to the decision making around placing a shard (both master logic & on the nodes) serverless-linked Added by automation, don't add manually Team:Distributed Coordination (obsolete) Meta label for Distributed Coordination team. Obsolete. Please do not use. v9.3.1

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