elasticsearch 查询结果最大默认10000

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于 2019-09-04 22:49:41 发布

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分类专栏： Elasticsearch

本文链接：https://blog.youkuaiyun.com/wjavadog/article/details/100548986

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elasticsearch 查询结果默认最大是 10000
可以通过 index.max_result_window 参数进行修改
https://www.elastic.co/guide/en/elasticsearch/reference/6.7/index-modules.html

index.max_result_window
The maximum value of from + size for searches to this index. Defaults to 10000. Search requests take heap memory and time proportional to from + size and this limits that memory. See Scroll or Search After for a more efficient alternative to raising this.

官方文档的建议是不要修改，太大会影响性能和效率，建议使用 scroll 来代替。
如果十分想要修改可以：
https://www.elastic.co/guide/en/elasticsearch/reference/6.7/indices-update-settings.html

PUT /twitter/_settings
{
    "index" : {
        "max_result_window" : 20000
    }
}