apache / datafusion-ballista

Apache DataFusion Ballista Distributed Query Engine

Home Page:https://datafusion.apache.org/ballista

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The decoded execution plan at the executor side cannot be directly shared.

yahoNanJing opened this issue · comments

Describe the bug

It's caused by the #743. Only unchanged things can be shared. However, the execution plan is not. Its metrics will be changed during task execution. Since the decoded execution plan is directly shared by multiple tasks, the plan metrics is also shared across multiple tasks, which is not correct.

To Reproduce

Expected behavior

Additional context