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| { | ||
| "graph": false | ||
| } |
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| 查询所有：查询出所有数据，一般测试使用，match_all，不会返回全部数据，有限制条数啦。 | ||
| 全文检索：利用分词器对查询文本进行分词，然后匹配倒排索引库，然后拿到文档的 ID，计算得分，根据 ID 查询文档。 | ||
| - match_query | ||
| - match | ||
| - multi_match_query | ||
| 精确查询：根据精确的词条查找数据，一般查询 keyword、数值、日期、boolean 等类型字段。 | ||
| - ids | ||
| - range | ||
| - term | ||
| 地理查询：根据经纬度查询。 | ||
| - geo_distance | ||
| - geo_bounding_box | ||
| 复合查询：将上述的查询条件组合起来，合并查询条件。 | ||
| - bool | ||
| - function_score | ||
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| 基本语法 | ||
| ``` | ||
| GET /indexName/_search | ||
| { | ||
| "query": { | ||
| "查询类型": { | ||
| "查询条件": "条件值" | ||
| } | ||
| } | ||
| } | ||
| ``` | ||
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| 查询示例 | ||
| ``` | ||
| # 查询全部 | ||
| GET /book/_search | ||
| { | ||
| "query": { | ||
| "match_all": {} | ||
| } | ||
| } | ||
| # 全文检索，单字段 | ||
| GET /book/_search | ||
| { | ||
| "query": { | ||
| "match": { | ||
| "all": "Java" | ||
| } | ||
| } | ||
| } | ||
| # 全文检索，多字段，可以使用 * 表示全部字段 | ||
| GET /book/_search | ||
| { | ||
| "query": { | ||
| "multi_match": { | ||
| "query": "Java", | ||
| "fields": ["name", "author"] | ||
| } | ||
| } | ||
| } | ||
| # 精确查询词条查询 | ||
| GET /book/_search | ||
| { | ||
| "query": { | ||
| "term": { | ||
| "name": { | ||
| "value": "Java 揭秘" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| # 精确查询范围查询 | ||
| GET /boot/_search | ||
| { | ||
| "query": { | ||
| "range": { | ||
| "public_year": { | ||
| "gte": 2013, | ||
| "lte": 2034 | ||
| } | ||
| } | ||
| } | ||
| } | ||
| ``` |
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| 创建网络 | ||
| ```shell | ||
| docker network create elastic-net | ||
| ``` | ||
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| 配置密码 | ||
| ``` | ||
| export ELASTIC_PASSWORD="<ES_PASSWORD>" # password for "elastic" username | ||
| export KIBANA_PASSWORD="<KIB_PASSWORD>" # Used _internally_ by Kibana, must be at least 6 characters long | ||
| ``` | ||
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| Docker 安装 ES | ||
| ```shell | ||
| docker run -p 9200:9200 -itd --name elasticsearch --network elastic-net \ | ||
| -e ELASTIC_PASSWORD=$ELASTIC_PASSWORD \ | ||
| -e "discovery.type=single-node" \ | ||
| -e "xpack.security.http.ssl.enabled=false" \ | ||
| -e "xpack.license.self_generated.type=basic" \ | ||
| docker.elastic.co/elasticsearch/elasticsearch:8.12.2 | ||
| ``` | ||
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| Docker 安装 Kibana | ||
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| 初始化 `kibana_system` 用户密码 | ||
| ```shell | ||
| curl -u elastic:$ELASTIC_PASSWORD \ | ||
| -X POST \ | ||
| http://localhost:9200/_security/user/kibana_system/_password \ | ||
| -d '{"password":"'"$KIBANA_PASSWORD"'"}' \ | ||
| -H 'Content-Type: application/json' | ||
| ``` | ||
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| 安装 Kibana | ||
| ```shell | ||
| docker run -p 5601:5601 -itd --name kibana --network elastic-net \ | ||
| -e ELASTICSEARCH_URL=http://elasticsearch:9200 \ | ||
| -e ELASTICSEARCH_HOSTS=http://elasticsearch:9200 \ | ||
| -e ELASTICSEARCH_USERNAME=kibana_system \ | ||
| -e ELASTICSEARCH_PASSWORD=$KIBANA_PASSWORD \ | ||
| -e "xpack.security.enabled=false" \ | ||
| -e "xpack.license.self_generated.type=basic" \ | ||
| docker.elastic.co/kibana/kibana:8.12.2 | ||
| ``` | ||
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| 完成安装了 ES 和 Kibana， | ||
| ES 地址：http://192.168.31.11:9200， | ||
| ES 有两个用户 | ||
| - 管理员用户 elastic/$ELASTIC_PASSWORD。 | ||
| - Kibana 容器连接用户 kibana_system/$KIBANA_PASSWORD | ||
| Kibana 地址：http://192.168.31.11:5601，使用 ES 管理员用户登录即可。 | ||
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| ES 配置中文分词器 | ||
| 下载分词器安装包，https://github.com/infinilabs/analysis-ik/releases，注意版本匹配。 | ||
| ```shell | ||
| unzip elasticsearch-analysis-ik-8.12.2.zip -d ik | ||
| docker cp ik/ elasticsearch:/usr/share/elasticsearch/plugins/ | ||
| docker restart elasticsearch | ||
| ``` | ||
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| 测试 ik 分词器 | ||
| ```text | ||
| POST /_analyze | ||
| { | ||
| "analyzer": "standard", | ||
| "text": "nice to meet you 我是程序员！" | ||
| } | ||
| POST /_analyze | ||
| { | ||
| "analyzer": "ik_smart", | ||
| "text": "nice to meet you 我是程序员！" | ||
| } | ||
| POST /_analyze | ||
| { | ||
| "analyzer": "ik_max_word", | ||
| "text": "nice to meet you 我是程序员！" | ||
| } | ||
| ``` | ||
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| ik 分词器支持配置扩展词和停止词。如果 ik 自带的字典里面没有相关词汇，默认分成一个一个字，扩展词典可以配置相关的词避免分成一个一个字。停止词可以配置一些语气词或者冠词或者一些敏感词，那么分词的时候这些词就会忽略掉。 | ||
| ```xml | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd"> | ||
| <properties> | ||
| <comment>IK Analyzer 扩展配置</comment> | ||
| <!--用户可以在这里配置自己的扩展字典 --> | ||
| <entry key="ext_dict"></entry> | ||
| <!--用户可以在这里配置自己的扩展停止词字典--> | ||
| <entry key="ext_stopwords"></entry> | ||
| <!--用户可以在这里配置远程扩展字典 --> | ||
| <!-- <entry key="remote_ext_dict">words_location</entry> --> | ||
| <!--用户可以在这里配置远程扩展停止词字典--> | ||
| <!-- <entry key="remote_ext_stopwords">words_location</entry> --> | ||
| </properties> | ||
| ``` |
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| 本地测试服务器，4核心 8 线程，16GB 内存，50GB 磁盘存储。Debian GNU/Linux 12 (bookworm) 系统。 | ||
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| 配置了 APT 清华源。 | ||
| 安装了 VIM。 | ||
| 配置了 root 允许密码登录。 | ||
| 安装了 Docker，参考 [[安装 Docker]]。 | ||
| 配置静态IP。 | ||
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| 一、ElasticSearch 安装。 | ||
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| 二、Kbina 安装。 | ||
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| | 端口 | 服务 | 描述 | | ||
| | ---- | ----------------- | ---------- | | ||
| | 9200 | ElasticSearch | Docker 安装。 | | ||
| | 2000 | Java web-tools 服务 | 提供开发工具接口 | |