$ bin/fluent-bit -i mem -o stdout [2015/06/02 18:41:02] [ info] starting engine [0] {"time"=>1433292063, "total"=>8081592, "free"=>1595860} [1] {"time"=>1433292064, "total"=>8081592, "free"=>1596028} [2] {"time"=>1433292065, "total"=>8081592, "free"=>1595900} [3] {"time"=>1433292066, "total"=>8081592, "free"=>1600272} [4] 0 [5] 0 [6] 0 [7] 0 [8] 0 [9] 0 [10] 0 [11] 0 [12] 33 [13] 1 [14] 0 [15] 0 [16] 0 [17] 0 [18] 0 [19] 0 [20] 104 [21] -19 [22] 86 [23] "d^?^@^@h<ED>V<AD>d^?^@^@^@" [24] 0 [25] 0 [26] 0 [27] 0 [28] 0