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cluster: return NodeState in the response of StoreHeartbeat. (#8991) #9502

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cluster: return NodeState in the response of StoreHeartbeat. (#8991) #9502

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This is an automated cherry-pick of #8991

What problem does this PR solve?

Issue Number: Close #9001, Ref tikv/tikv#18107, Ref tikv/tikv#18042

What is changed and how does it work?

This PR mainly contains the cooperative works on mitigating the performance impacts when scaling.

In this PR, it returns the NodeState in StoreHeartbeatResponse to store nodes,
to notify the corresponsive store to handle it if necessary.

In this PR, it returns the `NodeState` in `StoreHeartbeatResponse` to store nodes,
to notify the corresponsive store to handle it if necessary.

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

Code changes

Side effects

  • Possible performance regression
  • Increased code complexity
  • Breaking backward compatibility

Related changes

Release note

None.

@LykxSassinator @ti-chi-bot
This is an automated cherry-pick of tikv#8991
42dde14 
close tikv#9001, ref tikv/tikv#18042, ref tikv/tikv#18107

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
@ti-chi-bot ti-chi-bot added dco-signoff: yes Indicates the PR's author has signed the dco. do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. release-note-none Denotes a PR that doesn't merit a release note. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. type/cherry-pick-for-release-8.1 This PR is cherry-picked to release-8.1 from a source PR. labels Jul 8, 2025
@ti-chi-bot ti-chi-bot mentioned this pull request Jul 8, 2025
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ti-chi-bot bot commented Jul 8, 2025

[APPROVALNOTIFIER] This PR is NOT APPROVED

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@ti-chi-bot ti-chi-bot bot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Jul 8, 2025
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ti-chi-bot bot commented Jul 8, 2025

@ti-chi-bot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
pull-build-release-8.1 42dde14 link true /test pull-build-release-8.1

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@ti-chi-bot ti-chi-bot bot added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Jul 8, 2025
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cherry-pick-approved Cherry pick PR approved by release team. dco-signoff: yes Indicates the PR's author has signed the dco. do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. release-note-none Denotes a PR that doesn't merit a release note. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. type/cherry-pick-for-release-8.1 This PR is cherry-picked to release-8.1 from a source PR.
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