Tag: mongoose gtfs

MongoDB，用bigdata慢查询

我试图在mongodb的大集合上执行一个查询，实际上查询是由两部分组成，总共需要执行大约900ms，我需要它快得多。 这些是收集， 停止时间 ： > db.stoptimes.find().limit(1); { "trip_id": "24893A459B661", "arrival_time": "22:30:00", "departure_time": "22:30:00", "stop_id": "1904", "stop_sequence": 2, "stop_headsign": "", "pickup_type": "0", "drop_off_type": "0", "shape_dist_traveled": "0.88659123054", "agency_key": "alamedaoakland-ferry", "_id": ObjectId("52b394c680052ea30918fd62") } > db.stoptimes.count(); 5959551 和旅行 ： > db.trips.find().limit(1); { "route_id": "60", "service_id": "180A536", "trip_id": "23736A180B536", "trip_short_name": "", "trip_headsign": "San Francisco via Pier 41", "direction_id": "", "block_id": […]