ebs br: provide fsr warmup to tikv data volumes (#47272)

[ti-chi-bot]

This is an automated cherry-pick of #47272

What problem does this PR solve?

Issue Number:
close #47271
close #47273

Problem Summary:

What is changed and how it works?

This PR addresses 2 issues

1. EBS snapshot restore can do FSR based warmup to tikv data volumes. A new parameter ofuse-fsr is introduced to br command. Set it to true to use FSR to warmup tikv data volumes.
2. Get rid of unnecessary removal of some users from mysql.user table at the end of restore

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
  Run real EBS restore job and check the BR pod log to verify.
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.1@06c954c). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.1     #48052   +/-   ##
================================================
  Coverage               ?   73.4098%           
================================================
  Files                  ?       1206           
  Lines                  ?     377643           
  Branches               ?          0           
================================================
  Hits                   ?     277227           
  Misses                 ?      82731           
  Partials               ?      17685           

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3pointer, BornChanger

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

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [3pointer]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-12-08 08:30:38.783001781 +0000 UTC m=+228.848721588: ☑️ agreed by BornChanger.
• 2023-12-08 08:33:04.237455111 +0000 UTC m=+374.303174917: ☑️ agreed by 3pointer.