Github user viirya commented on the issue:
https://github.com/apache/spark/pull/15178
@holdenk For the first one question, as this executor side broadcast
directly uses RDD blocks instead of creating broadcast blocks, once the
broadcast is destroyed, only the broadcasted object is cleaned. I will add a
test for this.
For the second question, it depends on if the broadcasted object is created
on the executors or not. If yes, it wouldn't affect it. If no, there will be
failure when the executors trying to fetch the RDD blocks and create the object.
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