索引管理

查看索引

查看所有索引

curl 192.168.1.27:9200/_cat/indices?v

查看单个索引

curl 192.168.1.27:9200/<index-name>

创建索引

创建默认索引

curl -X PUT 192.168.1.27:9200/<index-name>

创建指定索引（指定索引分片数为3 副本数为1）

curl -X PUT 192.168.1.27:9200/<index-name> \
  -H "Content-Type: application/json" \
  -d '{
    "settings": {
        "number_of_shards": 3,
        "number_of_replicas": 1
    }
}'

修改索引

修改索引副本数

curl -X PUT 192.168.1.27:9200/<index-name>/_settings \
  -H "Content-Type: application/json" \
  -d '{
    "settings": {
        "number_of_replicas": 2
    }
}'

删除索引

删除单个索引

curl -X DELETE 192.168.1.27:9200/<index-name>

删除多个索引

curl -X DELETE 192.168.1.27:9200/<index-name>*

查看索引别名

curl 192.168.1.27:9200/_aliases

curl -s 192.168.1.27:9200/_aliases | jq

索引添加别名

给单个索引添加别名

curl -X POST 192.168.1.27:9200/_aliases \
  -H "Content-Type: application/json" \
  -d '{
    "actions": [
        {
            "add": {
                "index": "study-3shards-1replicas",
                "alias": "study-3-1"
            }
        }
    ]
}'

给多个索引添加别名

curl -X POST 192.168.1.27:9200/_aliases \
  -H "Content-Type: application/json" \
  -d '
{
    "actions": [
        {
            "add": {
                "index": "study-3shards-1replicas",
                "alias": "study-3-1"
            }
        },
        {
            "add": {
                "index": "study-3shards-2replicas",
                "alias": "study-3-2"
            }
        }
    ]
}'

删除索引别名

删除单个索引别名

curl -X POST 192.168.1.27:9200/_aliases \
  -H "Content-Type: application/json" \
  -d '{
    "actions": [
        {
            "remove": {
                "index": "study-3shards-1replicas",
                "alias": "study-3-1"
            }
        }
    ]
}'

删除多个索引别名

curl -X POST 192.168.1.27:9200/_aliases \
  -H "Content-Type: application/json" \
  -d '
{
    "actions": [
        {
            "remove": {
                "index": "study-3shards-1replicas",
                "alias": "study-3-1"
            }
        },
        {
            "remove": {
                "index": "study-3shards-2replicas",
                "alias": "study-3-2"
            }
        }
    ]
}'

关闭索引

curl -X POST 192.168.1.27:9200/<index-name>/_close

打开索引

curl -X POST 192.168.1.27:9200/<index-name>/_open