[Elasticsearch] Elasticsearch Dangling Index

1 Overview

Official Website: Dangling Index

Imports a dangling index

Delete dangling indexes

2. Case

Reference: https://recomm.cnblogs.com/blogpost/12626475

background:

My friend’s company has been in the red state because of the previous upgrade of the es cluster. Today, it was said that the leader saw the state of the cluster and asked him to fix it, and then ask me to look at it. After communicating with him, he can change it. All red indexes were deleted, and then the cluster was restarted. When the number of shards reached more than 8000, no further allocations were made. I checked that the unallocated indexes were all deleted before &