jrmccluskey commented on code in PR #17724:
URL: https://github.com/apache/beam/pull/17724#discussion_r878380954
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sdks/go/pkg/beam/core/sdf/sdf.go:
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@@ -73,8 +73,8 @@ type RTracker interface {
// reason), then this function returns nil as the residual.
//
// If the split fraction is 0 (e.g. a self-checkpointing split)
TrySplit() should return either
- // a nil primary or an RTracker that is both bounded and has size 0.
This ensures that there is
- // no data that is lost by not being rescheduled for execution later.
+ // a nil primary or a restriction that represents no remaining work.
This will ensure that there
+ // is not data loss.
Review Comment:
That's fair. I've added callouts to TrySplit() and IsDone() to try and make
the behavior clear for users.
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