61_索引管理_快速上机动手实战创建、修改以及删除索引

1、为什么我们要手动创建索引？

2、创建索引

创建索引的语法

PUT /my_index
{
"settings": { ... any settings ... },
"mappings": {
"type_one": { ... any mappings ... },
"type_two": { ... any mappings ... },
...
}
}

创建索引的示例

PUT /my_index
{
"settings": {
"number_of_shards": 1,
"number_of_replicas": 0
},
"mappings": {
"my_type": {
"properties": {
"my_field": {
"type": "text"
}
}
}
}
}

3、修改索引

PUT /my_index/_settings
{
"number_of_replicas": 1
}

4、删除索引

DELETE /my_index
DELETE /index_one,index_two
DELETE /index_*
DELETE /_all

elasticsearch.yml
action.destructive_requires_name: true