shunping commented on code in PR #34828:
URL: https://github.com/apache/beam/pull/34828#discussion_r2072316949
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sdks/go/pkg/beam/runners/prism/internal/stage.go:
##########
@@ -218,58 +223,75 @@ progress:
}
slog.Debug("progress report", "bundle", rb, "index",
index, "prevIndex", previousIndex)
+ var fraction float64
+
// Check if there has been any measurable progress by
the input, or all output pcollections since last report.
slow := previousIndex == index["index"] &&
previousTotalCount == index["totalCount"]
+ checkpointReady := checkpointTickCount >=
checkpointTickCutoff
if slow && unsplit {
- slog.Debug("splitting report", "bundle", rb,
"index", index)
- sr, err := b.Split(ctx, wk, 0.5 /* fraction of
remainder */, nil /* allowed splits */)
- if err != nil {
- slog.Warn("SDK Error from split,
aborting splits", "bundle", rb, "error", err.Error())
- break progress
- }
- if sr.GetChannelSplits() == nil {
- slog.Debug("SDK returned no splits",
"bundle", rb)
- unsplit = false
- continue progress
- }
+ fraction = 0.5
+ } else if checkpointReady && unsplit {
Review Comment:
I am wondering if we should do this checkpointing for both bounded and
unbounded cases.
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