设置索引的分片
7.0之前默认会创建5个shared,7.0开始之后创建一个shard
#! Deprecation: the default number of shards will change from [5] to [1] in 7.0.0; if you wish to continue using the default of [5] shards, you must manage this on the create index request or with an index template
获取设置
$curl -XGET http://localhost:9200/school/_settings
{
"school": {
"settings": {
"index": {
"creation_date": "1535647751974",
"number_of_shards": "5",
"number_of_replicas": "5",
"uuid": "EruOYFQ9TNSpmiZb_PdPXw",
"version": {
"created": "6020499"
},
"provided_name": "school"
}
}
}
}
修改分片
PUT /my_temp_index/_settings
{
"number_of_replicas": 1
}
创建设置和映射
| 说明 | 实例 |
|---|---|
| 类型 | PUT |
| URL | http://localhost:9200/school |
{
"settings":{"number_of_replicas":5},
"mapping":{"student":{"properties":{"name":{"type":"text","index":"true"}}}}
}
别名
索引分析
http://localhost:9200/_analyze
{
"analyzer":"standard",
"text":"welcome to CHINA"
}
{
"tokens": [
{
"token": "welcome",
"start_offset": 0,
"end_offset": 7,
"type": "<ALPHANUM>",
"position": 0
},
{
"token": "to",
"start_offset": 8,
"end_offset": 10,
"type": "<ALPHANUM>",
"position": 1
},
{
"token": "china",
"start_offset": 11,
"end_offset": 16,
"type": "<ALPHANUM>",
"position": 2
}
]
}
重建索引_reindex
curl -H "Content-Type:application/json" -XPOST http://localhost:9200/_reindex -d'{"source":{"index":"school"},"dest":{"index":"school_v2"}}'
{
"took": 254,
"timed_out": false,
"total": 1,
"updated": 0,
"created": 1,
"deleted": 0,
"batches": 1,
"version_conflicts": 0,
"noops": 0,
"retries": {
"bulk": 0,
"search": 0
},
"throttled_millis": 0,
"requests_per_second": -1,
"throttled_until_millis": 0,
"failures": []
}
