Elasticsearch一些简单命令

命令行

C:UsersM>curl -X GET "localhost:9200/_cat/health?v"
epoch      timestamp cluster  status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
1652064518 10:48:38  nowcoder green           1         1      0   0    0    0        0             0                  -                100.0%

C:UsersM>curl -X GET "localhost:9200/_cat/nodes?v"
ip        heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
127.0.0.1           21          85  41                          mdi       *      QwBeAcR

C:UsersM>curl -X GET "localhost:9200/_cat/indices?v"
health status index uuid pri rep docs.count docs.deleted store.size pri.store.size

C:UsersM>curl -X PUT "localhost:9200/test"
{"acknowledged":true,"shards_acknowledged":true,"index":"test"}
C:UsersM>curl -X PUT "localhost:9200/test"
{"error":{"root_cause":[{"type":"resource_already_exists_exception","reason":"index [test/_ARPat3_R0C1fZZvslonzA] already exists","index_uuid":"_ARPat3_R0C1fZZvslonzA","index":"test"}],"type":"resource_already_exists_exception","reason":"index [test/_ARPat3_R0C1fZZvslonzA] already exists","index_uuid":"_ARPat3_R0C1fZZvslonzA","index":"test"},"status":400}
C:UsersM>curl -X GET "localhost:9200/_cat/indices?v"
health status index uuid                   pri rep docs.count docs.deleted store.size pri.store.size
yellow open   test  _ARPat3_R0C1fZZvslonzA   5   1          0            0      1.1kb          1.1kb

C:UsersM>curl -X GET "localhost:9200/_cat/indices?v"
health status index uuid                   pri rep docs.count docs.deleted store.size pri.store.size
yellow open   test  _ARPat3_R0C1fZZvslonzA   5   1          0            0      1.1kb          1.1kb

C:UsersM>curl -X DELETE "localhost:9200/test"
{"acknowledged":true}
C:UsersM>curl -X GET "localhost:9200/_cat/indices?v"
health status index uuid pri rep docs.count docs.deleted store.size pri.store.size

postman

同时搜索title和content

{
    "query":{
        "multi_match":{
            "query":"互联网",
            "fields":["title","content"]
        }
    }
}