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The dynamic synonym plugin adds a synonym token filter that reloads the synonym file(local file or remote file) at given intervals (default 60s).

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dynamic synonym for ElasticSearch

The dynamic synonym plugin adds a synonym token filter that reloads the synonym file(local file or remote file) at given intervals (default 60s).

Version

dynamic synonym version ES version
master 5.x -> master
5.1.1 5.1.1
2.3.0 2.3.0
2.2.0 2.2.0
2.1.0 2.1.0
2.0.0 2.0.0
1.6.0 1.6.X

Installation

  1. mvn package

  2. copy and unzip target/releases/elasticsearch-analysis-dynamic-synonym-{version}.zip to your-es-root/plugins/dynamic-synonym

Example

{
	"index" : {
	    "analysis" : {
	        "analyzer" : {
	            "synonym" : {
	                "tokenizer" : "whitespace",
	                "filter" : ["remote_synonym"]
 	           }
	        },
	        "filter" : {
	            "remote_synonym" : {
	                "type" : "dynamic_synonym",
	                "synonyms_path" : "http://host:port/synonym.txt",
	                "interval": 30
	            },
	            "local_synonym" : {
	                "type" : "dynamic_synonym",
	                "synonyms_path" : "synonym.txt"
	            },
	        }
	    }
	}
}

说明: synonyms_path 是必须要配置的,根据它的值是否是以http://开头来判断是本地文件,还是远程文件。

interval 非必须配置的,默认值是60,单位秒,表示间隔多少秒去检查同义词文件是否有更新。

ignore_case 非必须配置的, 默认值是false。

expand 非必须配置的, 默认值是true。

format 非必须配置的, 默认值是空字符串, 如果为wordnet,则表示WordNet结构的同义词。

热更新同义词说明

  1. 对于本地文件:主要通过文件的修改时间戳(Modify time)来判断是否要重新加载。
  2. 对于远程文件:synonyms_path 是指一个url。 这个http请求需要返回两个头部,一个是 Last-Modified,一个是 ETag,只要有一个发生变化,该插件就会去获取新的同义词来更新相应的同义词。

注意: 不管是本地文件,还是远程文件,编码都要求是UTF-8的文本文件

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The dynamic synonym plugin adds a synonym token filter that reloads the synonym file(local file or remote file) at given intervals (default 60s).

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