高效更新Elasticsearch映射指南：嵌套类型配置与动态模板实战
PUT /orders/_mapping
{
"properties": {
"product_tags": {
"type": "nested",
"enabled": false
}
} }
"dynamic_templates": [{ "future_fields": {
"match": "ext_*",
"mapping": {"type": "object", "enabled": false}
} }]
ROI = (ΔQPS * 0.8￥/请求 - 28万硬件成本) / 工程师小时成本