twosom commented on issue #30184:
URL: https://github.com/apache/beam/issues/30184#issuecomment-4163467919
Hi @damccorm,
I was looking into this issue and it seems like the problem might have
already been addressed in PR #33322 ("Batch optimized SparkRunner groupByKey"),
which was merged recently.
Since that PR replaced groupByKey with combineByKey to improve memory
utilization and reduce shuffle overhead, it appears to solve the root cause
described here.
Could you please check if this issue can be closed?
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