creates a new ewma which is equivalent to the unix fifteen minute load average and which expects to be ticked every 5 seconds . concode_field_sep double M5_ALPHA concode_elem_sep double M1_ALPHA concode_elem_sep double rate concode_elem_sep double alpha concode_elem_sep double interval concode_elem_sep LongAdder uncounted concode_elem_sep double M15_ALPHA concode_elem_sep boolean initialized concode_field_sep EWMA fiveMinuteEWMA concode_elem_sep EWMA oneMinuteEWMA concode_elem_sep double rate concode_elem_sep void update concode_elem_sep void tick
EWMA function ( ) { return new EWMA ( M15_ALPHA , 5 , TimeUnit . SECONDS ) ; }