Elasticsearch学习整理
Elasticsearch学习整理:
1、下载Elasticsearch: https://www.elastic.co/
目前下载的版本为:7.6.1 mac版
下载后解压:tar -vxf ElasticsearchXXXX
启动ES: lx@LXdeMacBook-Pro elasticsearch-7.6.1 % sh ./bin/elasticsearch
启动报错一:
./bin/elasticsearch-env: line 116: syntax error near unexpected token `
解决方法:elasticsearch-env文件中第116行修改为:done
启动报错二:
This could be due to running on an unsupported OS or distribution, missing OS libraries, or a problem with the temp directory.
解决方法:
进入config目录下在elasticsearch.yml添加一条配置:xpack.ml.enabled: false
ES访问地址:http://localhost:9200
2、下载kibana
https://www.elastic.co/
kibana可进行可视化操作ES
解压后,启动:
lx@LXdeMacBook-Pro kibana-7.6.1-darwin-x86_64 % sh ./bin/kibana
kibana访问地址:http://localhost:5601/
3、下载中文分词器elasticserch-analysis-ik
https://github.com/medcl/elasticsearch-analysis-ik/releases
elasticserch-analysis-ik的版本号需与Elasticsearch版本匹配下载。
把下载的包解压后,在/elasticsearch-7.6.1/plugins文件下建一个文件夹ik,然后把解压的所有内容复制到ik下面。然后重新启动ES,这时可通过kibana进行查操作查看效果。
GET _analyze { "analyzer": "ik_smart", "text": "我是中国人" }
{ "tokens" : [ { "token" : "我", "start_offset" : 0, "end_offset" : 1, "type" : "CN_CHAR", "position" : 0 }, { "token" : "是", "start_offset" : 1, "end_offset" : 2, "type" : "CN_CHAR", "position" : 1 }, { "token" : "中国人", "start_offset" : 2, "end_offset" : 5, "type" : "CN_WORD", "position" : 2 } ] }
GET _analyze { "analyzer": "ik_max_word", "text": "我是中国人" }
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