elasticsearch 修改 settings 修改配置 新增ngram分析器

1. 需要先關閉索引

POST pan_doc2/_close

2. 修改配置，新增ngram分析器

PUT pan_doc2/_settings?pretty
{
    "analysis": {
        "analyzer": {
            "ngram_analyzer": {
                "tokenizer": "my_tokenizer"
            }
        },
        "tokenizer": {
            "ngram_analyzer": {
                "type": "ngram",
                "min_gram": 1
            }
        }
    }
}

3. 重新開啓索引

POST pan_doc2/_open

4. 查看最新配置

GET pan_doc2/_settings