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Not revisiting task nodes and correctly incrementing parallelism #4318

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merged 2 commits into from
Nov 1, 2023
Merged

Not revisiting task nodes and correctly incrementing parallelism #4318

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7a63d78
adding fix for not revisiting task nodes and correctly incrementing p…
hamersaw Oct 26, 2023
fafd673
fixed unit tests
hamersaw Oct 30, 2023
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6 changes: 6 additions & 0 deletions flytepropeller/pkg/controller/nodes/task/handler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -570,6 +570,12 @@ func (t Handler) Handle(ctx context.Context, nCtx interfaces.NodeExecutionContex
}
if pluginTrns.IsPreviouslyObserved() {
logger.Debugf(ctx, "No state change for Task, previously observed same transition. Short circuiting.")
logger.Infof(ctx, "Parallelism now set to [%d].", nCtx.ExecutionContext().IncrementParallelism())

// This is a hack to ensure that we do not re-evaluate the same node again in the same round.
if err := nCtx.NodeStateWriter().PutTaskNodeState(ts); err != nil {
return handler.UnknownTransition, err
}
return pluginTrns.FinalTransition(ctx)
}
}
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