Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/804#discussion_r31911662
--- Diff:
flink-staging/flink-streaming/flink-streaming-core/src/main/java/org/apache/flink/streaming/api/environment/StreamExecutionEnvironment.java
---
@@ -412,7 +412,7 @@ public void registerType(Class<?> type) {
if (from > to) {
throw new IllegalArgumentException("Start of sequence
must not be greater than the end");
}
- return fromCollection(new NumberSequenceIterator(from, to),
BasicTypeInfo.LONG_TYPE_INFO, "Sequence Source");
+ return addSource(new StatefulSequenceSource(from, to),
"Sequence Source").setParallelism(1);
}
--- End diff --
But why wouldn't we allow the user to explicitly set a higher parallelism.
The call is quite explicit and I think I would be more surprised as a user if
my source did not run in parallel even though I set a higher parallelism.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
