feat: protect datanode with concurrency limit. #3767

	on:
	merge_group:
	pull_request:
	types: [opened, synchronize, reopened, ready_for_review]
	paths:
	- 'docs/**'
	- 'config/**'
	- '**.md'
	- '.dockerignore'
	- 'docker/**'
	- '.gitignore'
	- 'grafana/**'
	push:
	branches:
	- main
	paths:
	- 'docs/**'
	- 'config/**'
	- '**.md'
	- '.dockerignore'
	- 'docker/**'
	- '.gitignore'
	- 'grafana/**'
	workflow_dispatch:

	name: CI

	# To pass the required status check, see:
	# https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/defining-the-mergeability-of-pull-requests/troubleshooting-required-status-checks#handling-skipped-but-required-checks

	jobs:
	typos:
	name: Spell Check with Typos
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	- uses: crate-ci/typos@master

	license-header-check:
	runs-on: ubuntu-20.04
	name: Check License Header
	steps:
	- uses: actions/checkout@v4
	- uses: korandoru/hawkeye@v5

	check:
	name: Check
	runs-on: ubuntu-20.04
	steps:
	- run: 'echo "No action required"'

	fmt:
	name: Rustfmt
	runs-on: ubuntu-20.04
	steps:
	- run: 'echo "No action required"'

	clippy:
	name: Clippy
	runs-on: ubuntu-20.04
	steps:
	- run: 'echo "No action required"'

	coverage:
	runs-on: ubuntu-20.04
	steps:
	- run: 'echo "No action required"'

	sqlness:
	name: Sqlness Test (${{ matrix.mode.name }})
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ ubuntu-20.04 ]
	mode:
	- name: "Basic"
	- name: "Remote WAL"
	steps:
	- run: 'echo "No action required"'

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