集群健康度分析

排查步骤

GET _cluster/health

GET _cluster/allocation/explain

GET _cluster/health?level=shards

GET _cluster/health?level=indices

GET _cat/indices?v

GET _cat/shards?v

GET _cat/nodeattrs?v

GET test_3/_settings

PUT test_3/_settings
{
  "number_of_replicas": 0
}