System have a demand at present, need to statistics of the url parameter, number of parameters will be in the log into a JSON, but because in the url parameter is defined by the customers, so no fixed number of each parameter name is not fixed, the value of each parameter is one or more, at this time to statistics and its value is the number of occurrences of each parameter within a day, for example,
Access. The log? Phone=iphone
Access. The log? Phone=huawei
Access. The log? Nettype=3 g
Access. The log? Nettype=WIFI
And so on, could you tell me so that we can use mongo easily implemented?