本篇內(nèi)容介紹了“ElasticSearch怎么查看、刪除以及創(chuàng)建索引”的有關(guān)知識(shí)，在實(shí)際案例的操作過(guò)程中，不少人都會(huì)遇到這樣的困境，接下來(lái)就讓小編帶領(lǐng)大家學(xué)習(xí)一下如何處理這些情況吧！希望大家仔細(xì)閱讀，能夠?qū)W有所成！

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說(shuō)明：{{es-host}} 是在postman配置的一個(gè)本地變量 ，變量值是 192.168.100.102:9200 ，也就是es集群的其中一個(gè)節(jié)點(diǎn)

1、查看集群健康狀況

GET http://{{es-host}}/_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
1565356074 13:07:54  elasticsearch green           3         3     10   5    0    0        0             0                  -                100.0%

2、查看索引列表

GET http://{{es-host}}/_cat/indices?v

health status index     uuid                   pri rep docs.count docs.deleted store.size pri.store.size
green  open   ecommerce YO4DgZuSTe23piO6hjF--w   5   1          3            0     34.2kb         17.1kb

3、查看節(jié)點(diǎn)列表

GET http://{{es-host}}/_cat/nodes?v

ip              heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
192.168.100.102           35          95   0    0.04    0.04     0.05 mdi       -      es-node3
192.168.100.102           23          95   0    0.04    0.04     0.05 mdi       *      es-node1
192.168.100.102           35          95   0    0.04    0.04     0.05 mdi       -      es-node2

4、創(chuàng)建索引

PUT http://{{es-host}}/test-index?pretty

5、刪除索引

DELETE http://{{es-host}}/test-index

6、添加商品同時(shí)創(chuàng)建inde和type

（1）、

PUT http://{{es-host}}/ecommerce/produce/1
{
	"name":"gaolujie yagao",
	"desc":"gaoxiao meibai",
	"price":30,
	"producer":"gaolujie producer",
	"tags":[
		"meibai","fangzhu"	
	]
}
結(jié)果：
{
    "_index": "ecommerce",
    "_type": "produce",
    "_id": "1",
    "_version": 10,
    "result": "created",
    "_shards": {
        "total": 2,
        "successful": 2,
        "failed": 0
    },
    "created": true
}

（2）、

PUT http://{{es-host}}/ecommerce/produce/2
{
	"name":"jiajieshi yagao",
	"desc":"youxiao fangzhu",
	"price":25,
	"producer":"jiajieshi producer",
	"tags":[
		"fangzhu"	
	]
}

(3)、

PUT http://{{es-host}}/ecommerce/produce/3
{
	"name":"zhonghua yagao",
	"desc":"caoben zhiwu",
	"price":40,
	"producer":"zhonghua producer",
	"tags":[
		"qingxin"	
	]
}

7、根據(jù)Id查詢

GET http://{{es-host}}/ecommerce/produce/1

查詢結(jié)果：
{
	"_index": "ecommerce",
	"_type": "produce",
	"_id": "1",
	"_version": 7,
	"found": true,
	"_source": {
		"name": "gaolujie yagao",
		"desc": "gaoxiao meibai",
		"price": 30,
		"producer": "gaolujie producer",
		"tags": [
			"meibai",
			"fangzhu"
		]
	}
}

8、修改單個(gè)屬性

POST http://{{es-host}}/ecommerce/produce/1/_update
{
	"doc":{
		"price":30
	}
}

9、覆蓋修改

PUT http://{{es-host}}/ecommerce/produce/1
{
	"name":"gaolujie yagao1",
	"desc":"gaoxiao meibai",
	"price":30,
	"producer":"gaolujie producer",
	"tags":[
		"meibai","fangzhu"	
	]
}
結(jié)果：
{
    "_index": "ecommerce",
    "_type": "produce",
    "_id": "1",
    "_version": 8,
    "result": "updated",
    "_shards": {
        "total": 2,
        "successful": 2,
        "failed": 0
    },
    "created": false
}

10、根據(jù)id刪除數(shù)據(jù)

DELETE http://{{es-host}}/ecommerce/produce/1
結(jié)果：
{
    "found": true,
    "_index": "ecommerce",
    "_type": "produce",
    "_id": "1",
    "_version": 9,
    "result": "deleted",
    "_shards": {
        "total": 2,
        "successful": 2,
        "failed": 0
    }
}

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