cloud-fan commented on pull request #29404:
URL: https://github.com/apache/spark/pull/29404#issuecomment-674685602
ah it's branch-3.0 so the github action doesn't count. @HyukjinKwon how hard
it is to have github action in branch-3.0?
cloud-fan commented on pull request #29404:
URL: https://github.com/apache/spark/pull/29404#issuecomment-673237590
thanks for the review, merging to 3.0!
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cloud-fan commented on pull request #29404:
URL: https://github.com/apache/spark/pull/29404#issuecomment-672642993
> Is this saying the isEmpty in Sum cannot be backported to branch-3.0?
I think so. 3.0 doesn't even have mechanisms to detect incompatible state
store format, and it
cloud-fan commented on pull request #29404:
URL: https://github.com/apache/spark/pull/29404#issuecomment-672601482
This adds perf overhead as we need to check overflow after each Add
operation, while the master branch only checks overflow at the end because we
have an extra agg buffer