[Bug]: GBK with global window must fit all values for a key into a memory

[mareksimunek]

What happened?

With optimization global window grouping in Spark
https://issues.apache.org/jira/browse/BEAM-12646

8c3af01#diff-c13404655c9bf261fcbcc72feb949e0ffcf428802897d2f39097f34d7a3d995aL185

it reintroduced issue for jobs with global windows. Now it is using spark's groupByKey = all values for a single key need to fit in-memory at once. It was already solved in:
https://issues.apache.org/jira/browse/BEAM-5392

Issue Priority

Priority: 3 (minor)

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[twosom]

Hello, has this issue been resolved? Was it addressed in PR #33322 by any chance? Thank you.