Github user shivaram commented on the pull request:
https://github.com/apache/spark/pull/2851#issuecomment-60316298
@rxin - Here is a simpler design -- What if we report all broadcast blocks
to the master when they are added to a block manager as well (tellMaster = true
instead of false in
https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala#L95
)
It might be the same network traffic as any reporting mechanism we come up
with -- The only concern then is to make sure that we don't wait for the master
RPC, and we could do that if `tellMaster` is asynchronous ?
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