Truong Duc Kien created FLINK-18934:
---------------------------------------
Summary: Idle stream does not advance watermark in connected stream
Key: FLINK-18934
URL: https://issues.apache.org/jira/browse/FLINK-18934
Project: Flink
Issue Type: Bug
Components: API / DataStream
Affects Versions: 1.11.1
Reporter: Truong Duc Kien
Per Flink documents, when a stream is idle, it will allow watermarks of
downstream operator to advance. However, when I connect an active data stream
with an idle data stream, the output watermark of the CoProcessOperator does
not increase.
Here's a small test that reproduces the problem.
https://github.com/kien-truong/flink-idleness-testing
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
