限制聚合elasticsearch中的文档数量

Question

查询：

{
    "fields" : [],
    "size" : 0,
    "aggs" : {
        "top-terms" : {
            "terms": {
                "field" : "content",
                "size" : 10
            }
        }
    }
}

响应：

Array
(
    [took] => 20475
    [timed_out] => 
    [_shards] => Array
        (
            [total] => 5
            [successful] => 5
            [failed] => 0
        )

    [hits] => Array
        (
            [total] => 2652291
            [max_score] => 0
            [hits] => Array
                (
                )

        )

    [aggregations] => Array
        (
            [top-terms] => Array
                (
                    [doc_count_error_upper_bound] => 1214666
                    [sum_other_doc_count] => 831757781
                    [buckets] => Array
                        (
                            [0] => Array
                                (
                                    [key] => the
                                    [doc_count] => 2645615
                                )

                            [1] => Array
                                (
                                    [key] => to
                                    [doc_count] => 2638675
                                )

                            [2] => Array
                                (
                                    [key] => of
                                    [doc_count] => 2637099
                                )

                            [3] => Array
                                (
                                    [key] => and
                                    [doc_count] => 2633262
                                )

                            [4] => Array
                                (
                                    [key] => a
                                    [doc_count] => 2625627
                                )

                            [5] => Array
                                (
                                    [key] => in
                                    [doc_count] => 2621823
                                )

                            [6] => Array
                                (
                                    [key] => for
                                    [doc_count] => 2523026
                                )

                            [7] => Array
                                (
                                    [key] => is
                                    [doc_count] => 2480382
                                )

                            [8] => Array
                                (
                                    [key] => on
                                    [doc_count] => 2450387
                                )

                            [9] => Array
                                (
                                    [key] => that
                                    [doc_count] => 2447827
                                )

                        )

                )

        )

)

汇总2652291文件（[总] =＆gt; 2652291）

如何将文档数量限制为1000？

size: 1000

不起作用

“忽略此文字，我只是在这里添加它，所以stackoverflow让我发布问题。”

Answer 1

通过添加限制过滤器

来实现它

"filtered": {
    "filter": {
        "limit": {
           "value": 200
        }
    }
}

限制过滤器限制要执行的文档数（每个分片）。 更多信息：Link