filebeat.template.json可否删除其中某些字段？

cat filebeat.template.json
{
"mappings": {
"_default_": {
"_all": {
"norms": false
},
"_meta": {
"version": "5.1.2"
},
"dynamic_templates": [
{
"strings_as_keyword": {
"mapping": {
"ignore_above": 1024,
"type": "keyword"
},
"match_mapping_type": "string"
}
}
],
"properties": {
"@timestamp": {
"type": "date"
},
"beat": {
"properties": {
"hostname": {
"ignore_above": 1024,
"type": "keyword"
},
"name": {
"ignore_above": 1024,
"type": "keyword"
},
"version": {
"ignore_above": 1024,
"type": "keyword"
}
}
},
"input_type": {
"ignore_above": 1024,
"type": "keyword"
},
"message": {
"norms": false,
"type": "text"
},
"meta": {
"properties": {
"cloud": {
"properties": {
"availability_zone": {
"ignore_above": 1024,
"type": "keyword"
},
"instance_id": {
"ignore_above": 1024,
"type": "keyword"
},
"machine_type": {
"ignore_above": 1024,
"type": "keyword"
},
"project_id": {
"ignore_above": 1024,
"type": "keyword"
},
"provider": {
"ignore_above": 1024,
"type": "keyword"
},
"region": {
"ignore_above": 1024,
"type": "keyword"
}
}
}
}
},
"offset": {
"type": "long"
},
"source": {
"ignore_above": 1024,
"type": "keyword"
},
"tags": {
"ignore_above": 1024,
"type": "keyword"
},
"type": {
"ignore_above": 1024,
"type": "keyword"
}
}
}
},
"order": 0,
"settings": {
"index.refresh_interval": "5s"
},
"template": "filebeat-*"
}
可否对其中字段设置修改或者直接删除？后段的es会不会有报错？要有什么操作？
fb发送数据到ls，最后到es。