boyuanzz commented on a change in pull request #12430:
URL: https://github.com/apache/beam/pull/12430#discussion_r467266336
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File path:
sdks/java/harness/src/main/java/org/apache/beam/fn/harness/FnApiDoFnRunner.java
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@@ -1029,7 +1040,27 @@ public double getProgress() {
private Progress getProgress() {
synchronized (splitLock) {
if (currentTracker instanceof RestrictionTracker.HasProgress) {
- return ((HasProgress) currentTracker).getProgress();
+ Progress progress = ((HasProgress) currentTracker).getProgress();
+ double totalWork = progress.getWorkCompleted() +
progress.getWorkRemaining();
+ double completed =
+ totalWork * currentWindowIterator.previousIndex() +
progress.getWorkCompleted();
+ double remaining =
+ totalWork * (currentElement.getWindows().size() -
currentWindowIterator.nextIndex())
+ + progress.getWorkRemaining();
+ return Progress.from(completed, remaining);
+ }
+ }
+ return null;
+ }
+
+ private Progress getProgressFromWindowObservingTruncate(double
elementCompleted) {
+ synchronized (splitLock) {
+ if (currentWindowIterator != null) {
Review comment:
Are you saying that one transform can report the progress metric per
element/window? For example, saying that the Truncate is on window1 and there
are 3 windows in total, the downstream sdf progress is 0.5. Then the Truncate
should report [(work_completed=1, work_remaining=0), (work_completed=1,
work_remaining=0), (work_completed=0, work_remaining=1)] and the sdf should
report [(work_completed=0.5, work_remaining=0.5)]? The the actual completed
should be 1 + 1 * 0.5?
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