ES报错信息：

{    "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 [200000000]. 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 setting."            }        ],        "type": "search_phase_execution_exception",        "reason": "all shards failed",        "phase": "query",        "grouped": true,        "failed_shards": [            {                "shard": 0,                "index": "view_log",                "node": "f7Mhj8hJTbCecKixd2ZFIQ",                "reason": {                    "type": "query_phase_execution_exception",                    "reason": "Result window is too large, from + size must be less than or equal to: [10000] but was [200000000]. 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 setting."                }            }        ],        "caused_by": {            "type": "query_phase_execution_exception",            "reason": "Result window is too large, from + size must be less than or equal to: [10000] but was [200000000]. 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 setting."        }    },    "status": 500}

执行语句：

POST:

http://127.0.0.1:9200/demo/_search

body:

{        "query": {        "bool": {            "filter": [                {                    "match": {                        "userid": "f8d3e9ad7ec3482a9f92318eb18f8173"                    }                }            ]                    }    },    "from": 0,    "size": 200000000}

原因：从上面的报错信息，可以看到ES提示我结果窗口太大了，目前最大值为10000，而我却要求给我10000000。并且在后面也提到了要求我修改index.max_result_window参数来增大结果窗口大小。

解决：

POST：

http://127.0.0.1:9200/demo/_settings

body：

{    "index": {        "max_result_window": 100000000    }}