set direct io align size to 4096 to get better performance (#176) #184

	name: build

	on:
	# Trigger the workflow on push or pull request,
	# but only for the main branch
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	env:
	# Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
	BUILD_TYPE: Debug

	jobs:
	build:
	# The CMake configure and build commands are platform agnostic and should work equally
	# well on Windows or Mac. You can convert this to a matrix build if you need
	# cross-platform coverage.
	# See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
	runs-on: ubuntu-latest
	timeout-minutes: 30

	steps:
	- uses: actions/checkout@v2

	- name: Fix kernel mmap rnd bits
	# Asan in llvm 14 provided in ubuntu 22.04 is incompatible with
	# high-entropy ASLR in much newer kernels that GitHub runners are
	# using leading to random crashes: https://reviews.llvm.org/D148280
	run: sudo sysctl vm.mmap_rnd_bits=28

	- name: Dependency Install
	shell: bash
	# Some projects don't allow in-source building, so create a separate build directory
	# We'll use this as our working directory for all subsequent commands
	run: sudo apt update; sudo apt install -y lcov; ./prepare.sh

	- name: Build and Test
	shell: bash
	# Execute tests defined by the CMake configuration.
	# See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
	run: ./github_action_build.sh

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