Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/4896#discussion_r160170300
--- Diff:
flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/windowing/TopSpeedWindowing.java
---
@@ -55,6 +55,7 @@ public static void main(String[] args) throws Exception {
final StreamExecutionEnvironment env =
StreamExecutionEnvironment.getExecutionEnvironment();
env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime);
env.getConfig().setGlobalJobParameters(params);
+ env.setParallelism(1);
--- End diff --
Yes it's because of `TopSpeedWindowingExampleITCase`. However, it's not
very nice and I decided to rework the `TopSpeedWindowingExampleITCase` instead.
---