Add new property to mark the initial size for the new region. #1597

	name: C++ Test
	on:
	push:
	branches:
	- master
	- release-6.0
	- release-5.0
	- release-4.0
	pull_request:
	branches:
	- master
	- release-6.0
	- release-5.0
	- release-4.0
	jobs:
	cpp-test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Install dependencies
	run: sudo apt install -y cmake clang libclang-dev llvm llvm-dev
	- name: Cache gRPC
	id: cache-grpc
	uses: actions/cache@v3
	with:
	path: ~/grpcinstall/v1_44_0
	key: ${{ runner.os }}-gRPC-v1_44_0-t0
	- name: Install gRPC
	if: steps.cache-grpc.outputs.cache-hit != 'true'
	run: \|
	export GRPC_INSTALL_PATH=~/grpcinstall/v1_44_0 && mkdir -p $GRPC_INSTALL_PATH
	git clone https://github.com/grpc/grpc.git
	pushd grpc && git checkout v1.44.0 && git submodule update --init
	mkdir -p grpcbuild && pushd grpcbuild && cmake .. -DgRPC_BUILD_TESTS=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$GRPC_INSTALL_PATH && make install && popd
	rm -rf grpcbuild && mkdir -p grpcbuild && pushd grpcbuild && cmake .. -DgRPC_INSTALL=ON -DgRPC_BUILD_TESTS=OFF -DgRPC_PROTOBUF_PROVIDER=package -DgRPC_ZLIB_PROVIDER=package -DgRPC_CARES_PROVIDER=package -DgRPC_SSL_PROVIDER=package -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$GRPC_INSTALL_PATH && make install && popd
	popd
	- name: Test C++
	run: \|
	export GRPC_INSTALL_PATH=~/grpcinstall/v1_44_0
	export PATH="$GRPC_INSTALL_PATH/bin:$PATH"
	rm -rf kvprotobuild && mkdir kvprotobuild && pushd kvprotobuild && cmake ../cpp -DCMAKE_PREFIX_PATH=$GRPC_INSTALL_PATH && make && popd && rm -rf kvprotobuild

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