Dev tidb kv read timeout

[crazycs520]

issue: #45380

This draft PR is based on #45601, and is still work in progress, do not merge.

also rely on: tikv/client-go#919

[ti-chi-bot]

Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[ti-chi-bot]

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[tiprow]

Hi @crazycs520. Thanks for your PR.

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[hawkingrei]

@crazycs520 Please fix the conflict.

[ti-chi-bot]

[FORMAT CHECKER NOTIFICATION]

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[ti-chi-bot]

@crazycs520: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/build	c860a18	link	true	/test build
idc-jenkins-ci-tidb/unit-test	c860a18	link	true	/test unit-test
idc-jenkins-ci-tidb/check_dev_2	c860a18	link	true	/test check-dev2

Full PR test history. Your PR dashboard.

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[crazycs520]

Close this since #45601 will contain this PR change.