If your implementation only commits your changing after the complete of a
checkpoint I think the latency of e2e is at least the interval of
checkpoint.
I think the document wants to say that a topology, which only has
flatmap/filter/map(no task has more than one input) could achieve the
exactly o
Hi,
I have a simple data pipeline of a Kafka source, a flink map operator and a
Kafka sink.
I have a quick question about latency caused by the checkpoint on the
exactly once mode.
Due to the changes are committed and visible on a checkpoint completion, so
the latency could be as long
Hi Davood
Maybe a custom KeySelector can be helpful, you can define the key used to
partition the stream. You can ref the code[1] for detail.
[1]
https://github.com/apache/flink/blob/8d05e91945c6c8d83f9924c00890ccf350f1f36f/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/pa