The difference between max_gram and min_gram in NGram Tokenizer must be less than or equal to: [1]

你的名字 2021-12-03 02:53 354阅读 3赞

The difference between max_gram and min_gram in NGram Tokenizer must be less than or equal to: [1] but was [3]. This limit can be set by changing the [index.max_ngram_diff] index level setting

Elasticsearch 7.x 版本需要显示设置index.max_ngram_diff

{
“settings”: {

  • “index.max_ngram_diff”:5,*
    “analysis”: {
    “analyzer”: {
    “my_analyzer”: { 
    1.  "tokenizer": "my\_tokenizer"
    }
    },
    “tokenizer”: {
    “my_tokenizer”: { 
    1.  "type": "ngram",  
    2.  "min\_gram": 3,  
    3.  "max\_gram": 6,  
    4.  "token\_chars": \[  
    5.    "letter",  
    6.    "digit"  
    7.  \]
    }
    }
    }
    }
    }

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