taegeonum commented on a change in pull request #172: [NEMO-270] Test different
triggers in GroupByKeyAndWindowDoFnTransformTest
URL: https://github.com/apache/incubator-nemo/pull/172#discussion_r238541138
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File path:
compiler/frontend/beam/src/main/java/org/apache/nemo/compiler/frontend/beam/transform/GroupByKeyAndWindowDoFnTransform.java
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@@ -351,12 +343,17 @@ public TimerInternals timerInternalsForKey(final K key) {
public void emit(final WindowedValue<KV<K, Iterable<InputT>>> output) {
// adds the output timestamp to the watermark hold of each key
// +1 to the output timestamp because if the window is [0-5000), the
timestamp is 4999
- // TODO #270: consider early firing
- // TODO #270: This logic may not be applied to early firing outputs
- keyAndWatermarkHoldMap.put(output.getValue().getKey(),
- new Watermark(output.getTimestamp().getMillis() + 1));
+ if (output.getPane().getTiming().equals(PaneInfo.Timing.ON_TIME)) {
Review comment:
EARLY does not guarantee watermark advance, so we should exclude early
results.
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