白眉大叔 1-索引管理-查看
1.查看所有索引
GET http://10.0.0.111:19200/_cat/indices?v
2.查看单个索引的详细信息
GET http://10.0.0.111:19200/baimei
2-索引管理-创建
1.直接创建索引
PUT http://10.0.0.111:19200/baimei
2.指定分片创建索引
PUT http://10.0.0.111:19200/baimei4
{
"settings": {
"index": {
"number_of_shards": "3"
}
}
}
3.指定分片和副本创建索引
PUT http://10.0.0.111:19200/baimei3
{
"settings": {
"index": {
"number_of_shards": "3",
"number_of_replicas": "0"
}
}
}
索引管理-修改
1.修改索引的副本数量
PUT http://10.0.0.101:19200/baimeidashu-linux88/_settings
{
"number_of_replicas": "2"
}
温馨提示:
不允许动态修改分片的数量。
索引管理-删除
1.通过es-head删除
2.通过curl删除
curl -X DELETE 10.0.0.111:19200/baimeidashu-linux88
3.postman删除
删除单个索引
DELETE
http://10.0.0.111:19200/baimei3
基于通配符删除索引:
DELETE
http://10.0.0.111:19200/baimei*关闭索引:
(索引关闭后，无法进行读写操作，但数据不会被删除)
POST
http://10.0.0.111:19200/baimei/_close
打开索引:(创建的索引默认就是打开状态的)
POST
http://10.0.0.111:19200/baimei/_open
温馨提示:
生产环境中，建议将删除动作改为关闭索引动作，若关闭索引1周后，没有被使用，则进行删除。
索引别名:
1.查看所有索引的别名
GET
http://10.0.0.111:19200/_aliases
2.为索引添加别名
POST
http://10.0.0.111:19200/_aliases
{
"actions": [
{
"add": {
"index": "baimei",
"alias": "Linux容器运维工程师"
}
},
{
"add": {
"index": "baimei4",
"alias": "DBA"
}
},
{
"add": {
"index": "baimei4",
"alias": "BBQ"
}
}
]
}
3.删除别名
POST
http://10.0.0.111:19200/_aliases
{
"actions": [
{
"remove": {
"index": "baimei",
"alias": "Linux容器运维工程师"
}
},
{
"remove": {
"index": "baimei4",
"alias": "DBA"
}
},
{
"remove": {
"index": "baimei4",
"alias": "BBQ"
}
}
]
}
4.修改别名
POST
http://10.0.0.111:19200/_aliases
{
"actions": [
{
"remove": {
"index": "baimei",
"alias": "Linux容器运维工程师"
}
},
{
"add": {
"index": "baimei",
"alias": "dba"
}
}
]
}
索引的其他操作:
https://www.elastic.co/guide/en/elasticsearch/reference/current/indices.html
索引:
- 分片:
- 数据: document(文档)，对应的是一个JSON格式对象数据类型。
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