????????kafka????

Mon, 19 Jul 2021 21:40:47 -0700 

hi all
??kafka??source??flink??????????????????????kafka??????????????
????????????????????1.??????????2.??????????
????????
1.????flink??????????metric????????????????????????????????????????????????
2.????????groupId????????group??????????????????????
3.??????kafka??????????????????????offset????????????lag????
4.????????????????????????
???????? ???????? ????????

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