timeStamp      elapsed       label            responseCode
 Min.   : NA   Min.   : NA   Length:0           Min.   : NA  
 1st Qu.: NA   1st Qu.: NA   Class :character   1st Qu.: NA  
 Median : NA   Median : NA   Mode  :character   Median : NA  
 Mean   :NaN   Mean   :NaN                      Mean   :NaN  
 3rd Qu.: NA   3rd Qu.: NA                      3rd Qu.: NA  
 Max.   : NA   Max.   : NA                      Max.   : NA  
              responseMessage  threadName        dataType  success 
 Created              :0      Length:0               :0   false:0  
 Internal Server Error:0      Class :character   text:0   true :0  
 OK                   :0      Mode  :character                     
                                                                   
                                                                   
                                                                   
     bytes        Latency    threadCount          fileSize        
 Min.   : NA   Min.   : NA   Length:0           Length:0          
 1st Qu.: NA   1st Qu.: NA   Class :character   Class :character  
 Median : NA   Median : NA   Mode  :character   Mode  :character  
 Mean   :NaN   Mean   :NaN                                        
 3rd Qu.: NA   3rd Qu.: NA                                        
 Max.   : NA   Max.   : NA