ElasticSearch修改已经存在的index的settings

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POST /index/_close

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PUT /index/_settings
{
    "settings": {
        "analysis": {
            "analyzer": {
                "ik_pinyin_analyzer": {
                    "type": "custom",
                    "tokenizer": "ik_smart",
                    "filter": [
                        "my_pinyin",
                        "word_delimiter"
                    ]
                }
            },
            "filter": {
                "my_pinyin": {
                    "type": "pinyin",
                    "keep_first_letter": false,
                    "keep_full_pinyin": true,
                    "keep_none_chinese": true,
                    "keep_none_chinese_in_first_letter": true,
                    "keep_original": false,
                    "limit_first_letter_length": 16,
                    "lowercase": true,
                    "trim_whitespace": true
                }
            }
        }
    }
}

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POST /index/_open