cadonna commented on a change in pull request #9543:
URL: https://github.com/apache/kafka/pull/9543#discussion_r518057272
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File path: streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java
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@@ -719,8 +718,7 @@ private KafkaStreams(final InternalTopologyBuilder
internalTopologyBuilder,
}
// create the stream thread, global update thread, and cleanup thread
- threads = new StreamThread[numStreamThreads];
-
+ threads = new LinkedList<>();
Review comment:
Currently only the constructor adds elements to the list. All other
accesses afterwards are read-only. So, we would not need a synchronized list as
far as I see. When we implement the add and remove streams thread APIs, we
probably need synchronization. My proposal is to leave it a synchronized list
now just in case we forget to think about it afterwards and then to reconsider
how we synchronize the accesses.
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