And How to make exactly once processing : P
------------------ Original ------------------ From: "cY";<[email protected]>; Date: Sun, Oct 12, 2014 00:30 AM To: "dev"<[email protected]>; Subject: a question about Exactly once processing As we know, with acker storm can process data at least once. If we want it to process data exactly once, the status of stream must be saved.Trident(storm's DAG abstract) leaves this problem to users.I would like to know where flink save the status of stream : ) Thanks a lot
