Details
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Sub-task
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Status: Resolved
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P2
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Resolution: Fixed
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None
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None
Description
`TopPerKey` operator is not supported due to its decomposition to `ReduceStateByKey` operator which is not supported. That decomposition is wrong since it outputs one value per key so no state is needed to perform the reduction.
Change decomposition of `TopPerKey` to `ReduceByKey`. That will make `TopPerKey` translatable to Beam API.
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