ElasticSearch 6.x 学习笔记：6.索引

6.1 创建索引

（1）简单方式

PUT test

{
"acknowledged": true,
"shards_acknowledged": true,
"index": "test"
}

（2）索引名不能包含大些字母

PUT Test

（3）重复创建

PUT test

（4）指定参数

PUT blog
{
"settings": {
"number_of_shards": 3,
"number_of_replicas": 1
}
}

{
"acknowledged": true,
"shards_acknowledged": true,
"index": "blog"
}

6.2 查看索引

（1）查看指定索引的配置信息

GET blog/_settings

{
"blog": {
"settings": {
"index": {
"creation_date": "1515458969949",
"number_of_shards": "3",
"number_of_replicas": "1",
"uuid": "A7pKNO7bTgucu1uNgmXlQg",
"version": {
"created": "5060399"
},
"provided_name": "blog"
}
}
}
}

（2）查看多个索引

GET test,blog/_settings

{
"test": {
"settings": {
"index": {
"creation_date": "1515460501267",
"number_of_shards": "5",
"number_of_replicas": "1",
"uuid": "FfVJ9w9bSxqyqvh7r1UL7w",
"version": {
"created": "5060399"
},
"provided_name": "test"
}
}
},
"blog": {
"settings": {
"index": {
"creation_date": "1515459619703",
"number_of_shards": "3",
"number_of_replicas": "1",
"uuid": "6x9RQQ5KRoStK57T88VhmA",
"version": {
"created": "5060399"
},
"provided_name": "blog"
}
}
}
}

6.3 删除索引

DELETE test

{
"acknowledged": true
}

6.4 索引的打开与关闭

（1）关闭索引

POST blog/_close

{
"acknowledged": true
}

（2）尝试插入数据

PUT blog/article/1
{
"title":"test title"
}

index_closed_exception



（3）重新打开索引

POST blog/_open