LLLDDD 在
得先检查一下是什么 reason 导致 es 状态 red。es 应该要给出 explanation。不然没办法定位问题
# index status
curl localhost:9200/_cat/indices?v
# cluster health
curl localhost:9200/_cluster/health?pretty
# shard status
curl localhost:9200/_cat/shards?v
# node status
curl localhost:9200/_nodes/stats
# disk allocation status
curl localhost:9200/_cat/allocation
