课程demo
DELETE my_flights PUT my_flights { "settings": { "number_of_shards": 20 }, "mappings" : { "properties" : { "AvgTicketPrice" : { "type" : "float" }, "Cancelled" : { "type" : "boolean" }, "Carrier" : { "type" : "keyword" }, "Dest" : { "type" : "keyword" }, "DestAirportID" : { "type" : "keyword" }, "DestCityName" : { "type" : "keyword" }, "DestCountry" : { "type" : "keyword" }, "DestLocation" : { "type" : "geo_point" }, "DestRegion" : { "type" : "keyword" }, "DestWeather" : { "type" : "keyword" }, "DistanceKilometers" : { "type" : "float" }, "DistanceMiles" : { "type" : "float" }, "FlightDelay" : { "type" : "boolean" }, "FlightDelayMin" : { "type" : "integer" }, "FlightDelayType" : { "type" : "keyword" }, "FlightNum" : { "type" : "keyword" }, "FlightTimeHour" : { "type" : "keyword" }, "FlightTimeMin" : { "type" : "float" }, "Origin" : { "type" : "keyword" }, "OriginAirportID" : { "type" : "keyword" }, "OriginCityName" : { "type" : "keyword" }, "OriginCountry" : { "type" : "keyword" }, "OriginLocation" : { "type" : "geo_point" }, "OriginRegion" : { "type" : "keyword" }, "OriginWeather" : { "type" : "keyword" }, "dayOfWeek" : { "type" : "integer" }, "timestamp" : { "type" : "date" } } } } POST _reindex { "source": { "index": "kibana_sample_data_flights" }, "dest": { "index": "my_flights" } } GET kibana_sample_data_flights/_count GET my_flights/_count get kibana_sample_data_flights/_search GET kibana_sample_data_flights/_search { "size": 0, "aggs": { "weather": { "terms": { "field":"OriginWeather", "size":5, "show_term_doc_count_error":true } } } } GET my_flights/_search { "size": 0, "aggs": { "weather": { "terms": { "field":"OriginWeather", "size":1, "shard_size":1, "show_term_doc_count_error":true } } } }