server: make leader can lost lease as soon as possible (#3712)

[ti-chi-bot]

This is an automated cherry-pick of #3712

Signed-off-by: nolouch nolouch@gmail.com

What problem does this PR solve?

Fix #3697
When the store's number is 180. we resign pd leader may need one minute or more to finish elect the new leader:

details replay: https://gist.github.com/disksing/a1bf78007b674da7e15b52a9e25eb3a5

What is changed and how it works?

make leader can be lost lease as soon as possible

Check List

Tests

• Integration test

Release note

Fix the issue that leader re-election be slow when there are many stores

[ti-chi-bot]

@ti-chi-bot: This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

To merge this cherry pick, it must first be approved (/lgtm + /merge) by the collaborators.

AFTER it has been approved by collaborators, please ping the release team in a comment to request a cherry pick review.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[zhangjinpeng87]

@nolouch Please fix the conflicts

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• JmPotato
• rleungx

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[codecov]

Codecov Report

Merging #3718 (852a4d2) into release-4.0 (4a50ce9) will increase coverage by 0.38%.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           release-4.0    #3718      +/-   ##
===============================================
+ Coverage        74.72%   75.11%   +0.38%     
===============================================
  Files              211      211              
  Lines            19940    19952      +12     
===============================================
+ Hits             14901    14987      +86     
+ Misses            3701     3623      -78     
- Partials          1338     1342       +4     

Flag	Coverage Δ
unittests	75.11% <100.00%> (+0.38%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/cluster/cluster.go	80.85% <100.00%> (+2.27%)	⬆️
server/server.go	74.43% <100.00%> (+0.46%)	⬆️
pkg/tempurl/tempurl.go	60.00% <0.00%> (-10.00%)	⬇️
server/region_syncer/client.go	78.74% <0.00%> (-4.73%)	⬇️
server/tso/tso.go	78.98% <0.00%> (-2.18%)	⬇️
server/core/storage.go	67.53% <0.00%> (-1.74%)	⬇️
pkg/btree/btree.go	85.30% <0.00%> (-0.97%)	⬇️
server/grpc_service.go	59.67% <0.00%> (-0.61%)	⬇️
client/client.go	69.03% <0.00%> (ø)
... and 11 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4a50ce9...852a4d2. Read the comment docs.

[nolouch]

/merge

[ti-chi-bot]

@nolouch: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[ti-chi-bot]

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

Commit hash: 03b5127