ES 查询优化（一）

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GET /my_index/my_type/_search
{
    "bool": {
        "must": {
            "term": {
                "name": "dev"
            }
        },
        "filter": [
        {
            "term": {
                "type": "ford"
            }
        },
        {
            "term": {
                "color": "yellow"
            }
        }]
    }
}

3、如果对查出的数据的顺序没有要求，则可按照_doc排序，取数据时按照插入的顺序返回。

_doc has no real use-case besides being the most efficient sort order. So if you don’t care about the order in which documents are returned, then you should sort by _doc. This especially helps when scrolling. _doc to sort by index order.

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