shunping commented on code in PR #36610:
URL: https://github.com/apache/beam/pull/36610#discussion_r2461041541
##########
sdks/go/pkg/beam/runners/prism/internal/engine/elementmanager.go:
##########
@@ -791,8 +791,7 @@ func reElementResiduals(residuals []Residual, inputInfo
PColInfo, rb RunBundle)
panic("error decoding residual header:" + err.Error())
}
if len(ws) == 0 {
- slog.Error("reElementResiduals: sdk provided a windowed
value header 0 windows", "bundle", rb)
- panic("error decoding residual header: sdk provided a
windowed value header 0 windows")
+ slog.Warn("reElementResiduals: sdk provided a windowed
value header 0 windows", "bundle", rb)
Review Comment:
Dataflow and FnAPI runners all silently drop these events without even a
warning. Not sure if we want to handle that differently in the prism runner
side.
On the other hand, we may add a warning message at the SDK side when seeing
the slide interval longer than window size in the sliding window constructor.
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