Add grafana panels for write throughput per instance (#2524)

[ti-srebot]

cherry-pick #2524 to release-5.1
You can switch your code base to this Pull Request by using git-extras:

# In tics repo:
git pr https://github.com/pingcap/tics/pull/2544

After apply modifications, you can push your change to this PR via:

git push [email protected]:ti-srebot/tics.git pr/2544:release-5.1-ae1fc3ba0c97

---

Signed-off-by: JaySon-Huang [email protected]

What problem does this PR solve?

Issue Number: related to tikv/pd#3261

Problem Summary:

What is changed and how it works?

Add two Grafana panels that show write throughput per instance. So that we can check the write hotspot scheduling of PD

Related changes

• Need to cherry-pick to the release branch: 5.0 / 5.1

Check List

Tests

• No code

Side effects

Release note

• Add Grafana panels for write throughput per instance

[JaySon-Huang]

/merge

[ti-chi-bot]

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

/run-all-tests

You only need to trigger /merge once, and if the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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[ti-chi-bot]

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

Commit hash: 624118e

[JaySon-Huang]

/run-all-tests

[JaySon-Huang]

/merge

[ti-chi-bot]

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

/run-all-tests

You only need to trigger /merge once, and if the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

If you have any questions about the PR merge process, please refer to pr process.

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.