Re: One source is much slower than the other side when join history data

2019-02-27 Thread liujiangang
Thank you very much. -- Sent from: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/

Re: One source is much slower than the other side when join history data

2019-02-27 Thread Konstantin Knauf
Hi, this topic has been discussed a lot recently in the community as "Event Time Alignment/Synchronization" [1,2]. These discussion should provide a starting point. Cheers, Konstantin [1] http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Sharing-state-between-subtasks-td24489.html

One source is much slower than the other side when join history data

2019-02-26 Thread 刘建刚
When consuming history data in join operator with eventTime, reading data from one source is much slower than the other. As a result, the join operator will cache much data from the faster source in order to wait the slower source. The question is that how can I make the difference of c