elasticsearch 布尔过滤器 游标查询 Scroll

 

组合过滤器 | Elasticsearch: 权威指南 | Elastic https://www.elastic.co/guide/cn/elasticsearch/guide/current/combining-filters.html

 

这种情况下，我们需要 bool （布尔）过滤器。 这是个 复合过滤器（compound filter） ，它可以接受多个其他过滤器作为参数，并将这些过滤器结合成各式各样的布尔（逻辑）组合。

布尔过滤器

一个 bool 过滤器由三部分组成：

{
"bool" : {
"must" : [],
"should" : [],
"must_not" : [],
}
}
must
所有的语句都 必须（must） 匹配，与 AND 等价。
must_not
所有的语句都 不能（must not） 匹配，与 NOT 等价。
should
至少有一个语句要匹配，与 OR 等价。

 

 

游标查询 Scroll | Elasticsearch: 权威指南 | Elastic https://www.elastic.co/guide/cn/elasticsearch/guide/current/scroll.html

 

[root@hadoop3 xiaole_chk_url]# curl hadoop3:9200/direct_vote/kwaddress/_search?pretty=true -d "{"_source":false,"from":204500,"size":100}"
{
  "error" : {
    "root_cause" : [ {
      "type" : "query_phase_execution_exception",
      "reason" : "Result window is too large, from + size must be less than or equal to: [10000] but was [204600]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level parameter."
    } ],
    "type" : "search_phase_execution_exception",
    "reason" : "all shards failed",
    "phase" : "query",
    "grouped" : true,
    "failed_shards" : [ {
      "shard" : 0,
      "index" : "direct_vote",
      "node" : "fIuqvDKQTgW2xLMofruOkA",
      "reason" : {
        "type" : "query_phase_execution_exception",
        "reason" : "Result window is too large, from + size must be less than or equal to: [10000] but was [204600]. See the scroll api for a more efficient way to request large data sets. This limit can be set by changing the [index.max_result_window] index level parameter."
      }
    } ]
  },
  "status" : 500
}
[root@hadoop3 xiaole_chk_url]#