tikv: drop store's regions when resolve store with tombstone status (#22909)

[ti-srebot]

cherry-pick #22909 to release-4.0
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# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/23071

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---

Signed-off-by: lysu [email protected]

What problem does this PR solve?

Issue Number: close #22907

Problem Summary:

old store id can get old tombstone store, so never have chance to refresh region peer to point to new store id

so request will block forever in old store with EpochNotMatchError

What is changed and how it works?

What's Changed:

drop region cache when resolve store but it's tombstone status

How it Works:

after it, retry will re-fetch new region info from PD which point to new store id..

so continue request will got to new store and never block

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• Need to cherry-pick to the release branch 4.0/3.0

Check List

Tests

• Unit test
• Integration test

Side effects

• n/a

Release note

• Fix request block forever when replace a tombstone store with the store has same IP addr

[ti-srebot]

/run-all-tests

[ti-srebot]

No release note, Please follow https://github.com/pingcap/community/blob/master/contributors/release-note-checker.md

[ti-srebot]

@lysu you're already a collaborator in bot's repo.

[tiancaiamao]

/LGTM

[tiancaiamao]

PTAL @coocood

[coocood]

/lgtm

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• coocood
• tiancaiamao

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[coocood]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 4533f5c

[ti-chi-bot]

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