cluster: no more redundant etcd writes when ReportMinResolvedTS is called (#5966)

[ti-chi-bot]

This is an automated cherry-pick of #5966

Signed-off-by: HunDunDM hundundm@gmail.com

What problem does this PR solve?

Issue Number: Close #5965

What is changed and how does it work?

no more redundant etcd writes when SetMinResolvedTS is called

Check List

Tests

• Unit test
• Manual test (add detailed scripts or steps below)
  • This PR is based on c64be1f
  • Make putStoreLocked called by SetMinResolvedTS slower 7a47041
  • tiup playground v6.5.0 --kv=15 --db=1 --pd=1 --tiflash=0 --pd.binpath=bin/pd-server
  • The problem can be reproduced in grafana
    • 
    • 
  • putStoreLocked was removed in this PR and replaced with c.core.PutStore(newStore), so it can be considered fixed.

Code changes

Side effects

Related changes

• Need to cherry-pick to the release branch

Release note

Fixed an issue where ETCD write delay could cause PD OOM.

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• lhy1024
• rleungx

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[codecov]

Codecov Report

Base: 75.52% // Head: 75.56% // Increases project coverage by +0.03% 🎉

Coverage data is based on head (a6de757) compared to base (5222943).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-6.1    #5978      +/-   ##
===============================================
+ Coverage        75.52%   75.56%   +0.03%     
===============================================
  Files              307      307              
  Lines            30485    30484       -1     
===============================================
+ Hits             23025    23034       +9     
+ Misses            5464     5462       -2     
+ Partials          1996     1988       -8     

Flag	Coverage Δ
unittests	75.56% <100.00%> (+0.03%)	⬆️

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

Impacted Files	Coverage Δ
server/cluster/cluster.go	82.61% <100.00%> (-0.02%)	⬇️
pkg/dashboard/adapter/manager.go	81.60% <0.00%> (-4.60%)	⬇️
server/election/leadership.go	73.19% <0.00%> (-4.13%)	⬇️
pkg/etcdutil/etcdutil.go	86.20% <0.00%> (-2.30%)	⬇️
server/member/member.go	62.10% <0.00%> (-2.11%)	⬇️
client/base_client.go	80.41% <0.00%> (-2.07%)	⬇️
server/tso/allocator_manager.go	64.89% <0.00%> (-1.50%)	⬇️
server/election/lease.go	84.05% <0.00%> (-1.45%)	⬇️
server/schedule/operator_controller.go	85.54% <0.00%> (-0.21%)	⬇️
server/cluster/unsafe_recovery_controller.go	78.55% <0.00%> (ø)
... and 15 more

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[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

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[ti-chi-bot]

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

Commit hash: a6de757