johnyangk commented on a change in pull request #178: [NEMO-317] Optimize
triggering logic in GroupByKeyAndWindowDoFnTransform
URL: https://github.com/apache/incubator-nemo/pull/178#discussion_r241644700
##########
File path:
compiler/frontend/beam/src/main/java/org/apache/nemo/compiler/frontend/beam/transform/GroupByKeyAndWindowDoFnTransform.java
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@@ -155,21 +153,23 @@ private void processElementsAndTriggerTimers(final
Watermark inputWatermark,
getDoFnRunner().processElement(WindowedValue.valueInGlobalWindow(keyedWorkItem));
}
- // Trigger timers
- triggerTimers(key, inputWatermark, processingTime, synchronizedTime);
+ iterator.remove();
Review comment:
👍 for clearing out the whole (key, values), and not just (values)
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