Sentinel first acquaintance

sentinel: https://spring-cloud-alibaba-group.github.io/github-pages/hoxton/en-us/index.html#_introduction_of_sentinel

Preface

1. Core knowledge

1. Title 1

2. Heading 2

2. Preparation

1. Title 1

2. Heading 2

Three, project construction

1. Title 1

2. Heading 2

Four, project testing

1. Title 1

2. Heading 2

Five, source download

1. Title 1

2. Heading 2

to sum up