Is it possible to disable auto adding new field?

Elastic Stack Elasticsearch
1

I know we can disable auto index creation by setting action.auto_create_index. If I index a doc with an undefined field, the field will be auto added to the index.
Is it possible disable it? That is, if document contains undefined field, indexing should fail.

2

You probably want this

https://www.elastic.co/guide/en/elasticsearch/reference/5.2/dynamic.html

3

seems not work.

PUT /myindex
{
  "settings" : {
    "number_of_shards" : 1,
    "number_of_replicas" : 2
  },
  "mappings" : {
    "docs" : {
      "dynamic": false,
      "properties" : {
        "Title" : {
          "type" : "text"
        }
      }
    }
  }
}

POST /myindex/docs/1
{
  "DocumentId": "1033",
  "Title": "hello"
}


GET /myindex/docs/1

I got following response:

{
  "_index": "myindex",
  "_type": "docs",
  "_id": "1",
  "_version": 1,
  "found": true,
  "_source": {
    "DocumentId": "1033",
    "Title": "hello"
  }
}

Do I miss something?

4

Try strict

5

strict works as expected.
So is it bug that false does not work?

6

No it's not. Get the mapping and you will see that it has not been updated.

7

Got u. Although getting document can return the field, but mapping actually is not updated with the new field.
That makes sense.

Thanks!

8

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