Github user siyuanh commented on a diff in the pull request:
https://github.com/apache/incubator-apex-malhar/pull/205#discussion_r54615024
--- Diff:
kafka/src/main/java/org/apache/apex/malhar/kafka/KafkaConsumerWrapper.java ---
@@ -137,6 +189,9 @@ public void run()
while (wrapper.isAlive) {
+ if (wrapper.waitForReplay) {
+ Thread.sleep(100);
+ }
--- End diff --
And also this will be an issue in old kafka operator that the thread could
receive duplicated messages because it start consuming data immediately when
the operator is activated. The offset it starts from will have overlap with
offsets in the recovery window, correct?
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