[GitHub] spark issue #15178: [SPARK-17556][SQL] Executor side broadcast for broadcast...

[holdenk <gi...@git.apache.org>]

Github user holdenk commented on the issue:

    https://github.com/apache/spark/pull/15178
  
    This is really interesting and might have some interesting improvements for online ML training in structured streaming as well :) I've got a few questions around unpersist behaviour but I'll dig into this PR more next week. Hopefully @rxin or @JoshRosen can also take a look :)


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