??????????delay ??????????delay ????????????????????????????????flink ??????????
?????????????????????????????????????????????????????????????????? ???? ???????????????????????? ?0?2 ?????????0?2Kobeli ???????????0?22019-05-11?0?218:44 ?????????0?2user-zh ???????0?2flink hello flink watermark?????? flink job????event time?????????? source??????????kafka,??????????????????????????????(????under-replica), flink job????????????partition??????????(????????kafka????????????????????)?? ????????????????????????????watermark?? ??????????????????partition??????????????????????watermark???????????????????????????????????? ????????????????????
