add option to set prefetch per consumer #606

	name: Go

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:

	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- name: Setup go
	uses: actions/setup-go@v2
	with:
	go-version: ^1.18
	id: go

	- name: Checkout
	uses: actions/checkout@v2

	- name: Test
	run: go test -v ./...

	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v4
	with:
	go-version: '1.19'
	- uses: actions/checkout@v3
	- uses: golangci/golangci-lint-action@v3
	with:
	version: v1.50.1

Provide feedback