johnyangk commented on a change in pull request #153: [NEMO-245,247] Handle
watermark in OutputWriter and Implement unbounded word count example
URL: https://github.com/apache/incubator-nemo/pull/153#discussion_r232157427
##########
File path:
runtime/executor/src/main/java/org/apache/nemo/runtime/executor/datatransfer/MultiInputWatermarkManager.java
##########
@@ -58,6 +62,12 @@ private int findNextMinWatermarkIndex() {
@Override
public void trackAndEmitWatermarks(final int edgeIndex, final Watermark
watermark) {
+
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Track watermark {} emitted from edge {}:, {}",
watermark.getTimestamp(), edgeIndex,
Review comment:
Ditto.
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