Elasticsearchでmax_result_windowを10000件以上に設定したい

Railsでsearchkickを使っているのですが10000件以上で検索するためにmax_result_windowを設定しようと以下のコードをmodelに追加しました。

searchkick settings: {index: {max_result_window: 12000}}

しかしながら，結局以下のようなエラーが出てしまっています．

error
1{
2    "error": {
3        "failed_shards": [
4            {
5                "index": "", 
6                "node": "", 
7                "reason": {
8                    "reason": "Result window is too large, from + size must be less than or equal to: [10000] but was [11000]. 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.", 
9                    "type": "query_phase_execution_exception"
10                }, 
11                "shard": 0
12            }
13        ], 
14        "grouped": true, 
15        "phase": "query_fetch", 
16        "reason": "all shards failed", 
17        "root_cause": [
18            {
19                "reason": "Result window is too large, from + size must be less than or equal to: [10000] but was [11000]. 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.", 
20                "type": "query_phase_execution_exception"
21            }
22        ], 
23        "type": "search_phase_execution_exception"
24    }, 
25    "status": 500
26}