scheduler: dynamically adjust the retry limit according to the operator (#4007)

[ti-chi-bot]

This is an automated cherry-pick of #4007

Signed-off-by: HunDunDM [email protected]

What problem does this PR solve?

related #3744

What is changed and how it works?

• scheduler: dynamically adjust the retry limit according to the operator

Check List

Tests

• Unit test

Code changes

Side effects

Related changes

• Need to cherry-pick to the release branch

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• HunDunDM
• nolouch

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[codecov]

Codecov Report

Merging #4049 (ab1efb1) into release-4.0 (b1a549b) will increase coverage by 0.31%.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           release-4.0    #4049      +/-   ##
===============================================
+ Coverage        74.78%   75.10%   +0.31%     
===============================================
  Files              211      211              
  Lines            19978    20010      +32     
===============================================
+ Hits             14941    15028      +87     
+ Misses            3701     3641      -60     
- Partials          1336     1341       +5     

Flag	Coverage Δ
unittests	75.10% <100.00%> (+0.31%)	⬆️

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

Impacted Files	Coverage Δ
server/schedule/filter/filters.go	85.09% <ø> (ø)
server/schedulers/balance_leader.go	92.07% <100.00%> (+0.40%)	⬆️
server/schedulers/balance_region.go	85.71% <100.00%> (+0.55%)	⬆️
server/schedulers/utils.go	91.97% <100.00%> (+1.06%)	⬆️
server/kv/etcd_kv.go	78.26% <0.00%> (-7.25%)	⬇️
pkg/etcdutil/etcdutil.go	77.94% <0.00%> (-4.42%)	⬇️
server/member/leader.go	63.76% <0.00%> (-3.67%)	⬇️
server/grpc_service.go	58.26% <0.00%> (-2.02%)	⬇️
pkg/btree/btree.go	85.30% <0.00%> (-0.97%)	⬇️
server/schedule/operator_controller.go	81.60% <0.00%> (+0.58%)	⬆️
... and 4 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: 9f44cfe