GET _cluster/allocation/explain?pretty

GET /_cluster/allocation/explain

get /_cluster/settings

PUT /_cluster/settings
{
  "transient": {
    "cluster.routing.allocation.enable": "none"
  }
}
#分片配置

PUT /_cluster/settings
{
  "transient": {
    "cluster.routing.allocation.enable": "all"
  }
}

#分片重新均衡分配

PUT /_cluster/settings
{
  "transient": {
    "cluster.routing.rebalance.enable": "all"
  }
}

# 设置副本数量
PUT /aabb/_settings
{
"number_of_replicas" : 2
}

get _cluster/health?level=indices


GET _cat/nodes?v&h=ip,heap.current,heap.percent,heap.max,ram.max,disk.avail,node.role,m

curl http://localhost:9200/_cat/nodes?v&h=ip,heap.current,heap.percent,heap.max,ram.max,disk.avail,node.role,m

get _cat/master

post /_cluster/reroute
{
  "commands": [
    {
      "allocate_empty_primary": {
        "index": "wap_yonghu_v1",
        "shard": 2,
        "node": "Ee6ubnnmT52LJchcw0P-pQ",
        "accept_data_loss": false
      }
    }
  ]
}


#数据丢失
post /_cluster/reroute
{
"commands": [
{
"allocate_empty_primary": {
"index": "aabb_v2",
"shard": 0,
"node": "Ee6ubnnmT52LJchcw0P-pQ",
"accept_data_loss": true
}
}
]
}

#数据不丢失
post /_cluster/reroute
{
"commands" : [ {
"allocate_stale_primary" : {
"index" : "aabb_v2",
"shard" :0,
"node" : "Ee6ubnnmT52LJchcw0P-pQ",
"accept_data_loss" : true
}
}]
}


POST /_cluster/reroute?retry_failed=true


手动迁移分片
POST /_cluster/reroute
{
  "commands": [
    {
      "move": {
        "index": "aabb_v1",
        "shard": 1,
        "from_node": "10.10.20.143",
        "to_node": "10.10.20.153"
      }
    }
  ]
}