This section discusses the changes that you need to be aware of when migrating your application from one version of Elasticsearch to another.여기에서는 application을 Elasticsearch 다른 version으로 migration할 경우 알아야 할 변경 사항에 대해 이야기한다.As a general rule:일반적으로Migration between minor versions — e.g. 5.x to 5.y — can be performed by upgrading one node at a time.minor version간(예: 5.x 에서 5.y 로)의 migration은 upgrad..