ccchenhe commented on issue #6034:
URL: https://github.com/apache/hudi/issues/6034#issuecomment-1174748167
> > You can set up partitions, can you show some characteristics of the data
that duplicates ? It is helpful to dig into the reason.
> > ok
>
> now same id have 2 records, 1 is insert, other 1 is update
>
> ```json
> // insert
>
{"database":"database_00000001","table":"table_00000001","type":"insert","ts":1656643663,"maxwell_ts":1656643663889000,"xid":8498,"xoffset":1,"primary_key":[10401000107002207010151820438060],"primary_key_columns":["id"],"data":{"id":"10401000107002207010151820438060","version":1,"create_time":1656643663,"update_time":1656643663},"old":{}}
> // update
>
{"database":"database_00000001","table":"table_00000001","type":"update","ts":1656660063,"maxwell_ts":1656660063062000,"xid":7210,"xoffset":1,"primary_key":[10401000107002207010151820438060],"primary_key_columns":["id"],"data":{"id":"10401000107002207010151820438060","version":2,"create_time":1656643663,"update_time":1656660063},"old":{"version":1,"update_time":1656643663}}
> ```
>
> application using flink bloom state consume kafka ( these 2 records), and
we got
>
> application using flink bucket consume kafka ( these 2 records), and we
got <img alt="image" width="1792"
src="https://user-images.githubusercontent.com/20533543/177280462-66a9e285-73ae-484c-ac91-c80acc61a3ac.png";>
m sure that all of records saved kafka and consume. becuase each binlog has
double write hdfs use other channel
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