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elasticsearch 如何在输出中仅从elasticsearch获取一个字段?

elasticsearch 如何在输出中仅从elasticsearch获取一个字段?,elasticsearch,logging,kibana,elastic-stack,elasticsearch,Logging,Kibana,Elastic Stack,我想得到像这样的输出 { "took": 5, "timed_out": false, "_shards": { "total": 1, "successful": 1, "skipped": 0, "failed": 0 }, "hits": {

我想得到像这样的输出

{
     "took": 5,
   "timed_out": false,
   "_shards": {
       "total": 1,
       "successful": 1,
       "skipped": 0,
       "failed": 0
   },
   "hits": {
       "total": {
           "value": 1999,
           "relation": "eq"
       },
       "max_score": 1.0,
       "hits": [
           {
               "_index": "logstash-2021.01.13-000001",
               "_type": "_doc",
               "_id": "lVef-3YBI8ZVMz0vOphU",
               "_score": 1.0,
               "_source": {
                   "host": {
                       "name": "AAD-W1PF14DMMK"
                   },
                   "@timestamp": "2021-01-13T12:01:19.794Z",
                   "log": {
                       "file": {
                           "path": "C:\\elk\\test.log"
                       },
                       "offset": 158
                   },
                   "type": "test",
                   "tags": [
                       "beats_input_codec_plain_applied"
                   ],
                   "ecs": {
                       "version": "1.6.0"
                   },
                   "agent": {
                       "hostname": "AAD-W1PF14DMMK",
                       "type": "filebeat",
                       "name": "AAD-W1PF14DMMK",
                       "id": "4aa46436-264c-40ba-a24a-17af072c8363",
                       "version": "7.10.1",
                       "ephemeral_id": "18c7451e-78a8-4806-b43f-5ebae812b533"
                   },
                   "@version": "1",
                   "message": "2015-10-18 18:01:48,963 INFO [main] org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Executing with tokens:"
               }
           },
}
我试着用

{  "message": "2015-10-18 18:01:48,963 INFO [main] org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Executing with tokens:" }

它工作正常,但警告说默认情况下它将被弃用。 警告:

#!!弃用:此请求访问系统索引:[.apm代理配置、.apm自定义链接、.async search、.kibana_1、.kibana_任务管理器_1],但在未来的主要版本中,默认情况下将阻止直接访问系统索引


替代解决方案是什么???

您的查询是正确的。该错误与执行
\u搜索请求的方式有关

而不是访问

GET localhost:9200/_search?filter_path=hits.hits._source 
 {
    "_source": {
        "includes": ["message"]
    },
    "query": {
        "multi_match" : {
        "query": "ERROR",
        "fields": [ "message"] 
        }
    }
}
使用具体的索引名——在您的例子中:

GET localhost:9200/_search...
{ ... }

提示:也支持通配符索引名:

GET localhost:9200/logstash-2021.01.13-000001/_search...
{ ... }
多索引查询也是如此:

GET localhost:9200/logstash-2021*/_search...
{ ... }

嗨,但在这种情况下,我得到了其他领域以及。请检查一下我期望的输出。。我只想要json格式的“消息”,而不是点击、标记、分数、代理等查询负载——我只是说你正在访问的URL。哦,好吧,但这就是问题所在。。GET localhost:9200/\u search?filter\u path=hits.hits.\u source当我使用query filter\u path时,它会显示一个弃用警告。还有其他选择吗?请重新阅读答案:)
:9200/\u search
已被弃用。使用
:9200/您的索引名/\u搜索
。如果URL中的
端口
\u search
参数之间没有任何内容,那么您正在搜索所有索引(表)。哦,我的糟糕!!非常感谢,伙计!!它很有魅力!
GET localhost:9200/logstash-2021*,logstash-2020*/_search...
{ ... }