POST _cluster/reroute
{"commands": [{"move": {"index": "xxx_detail","shard": 2,"from_node": "el8P9Ul","to_node": "4sDv-RD"}}]
}

查看迁移进程

GET _cat/shards?v

查看磁盘分布

GET _cat/allocation?v
GET /_cat/nodes?v&h=name,ip,disk.avail,disk.used_percent,heap.percent,ram.percent,cpu,load,node.role

https://help.aliyun.com/zh/es/support/uneven-distribution-of-hot-data-on-nodes?spm=a2c4g.11186623.0.0.7ebcdb9abZahTe&scm=20140722.S_help@@%E6%96%87%E6%A1%A3@@190319@@1.S_llmOS0.ID_2960100763-RL_es%E6%89%8B%E5%8A%A8%E8%BF%81%E7%A7%BB%E5%88%86%E7%89%87-LOC_chat_DASllm-OR_ser-PAR1_2150458e17574862156798205e0e33-V_4-P0_0-P1_0