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Register Beam coder(s) to avoid "Using fallback deterministic coder" warnings #77

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shoyer opened this issue Feb 9, 2023 · 0 comments
Open

Register Beam coder(s) to avoid "Using fallback deterministic coder" warnings #77

shoyer opened this issue Feb 9, 2023 · 0 comments

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@shoyer
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shoyer commented Feb 9, 2023

Currently, running an Xarray-Beam pipeline generates (irrelevant) warnings about using fallback deterministic coders:
WARNING:apache_beam.coders.coder_impl:Using fallback deterministic coder for type '<class 'xarray_beam._src.core.Key'>' in '[6]: Mean/PerKey/CombinePerKey(MeanCombineFn)/GroupByKey'.

Theoretically, we should be able to explicitly register coders for xarray_beam.Key and tuple[xarray_beam.Key, xarray.Dataset] to turn these off.
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