Github user tdas commented on the pull request:
https://github.com/apache/spark/pull/2994#issuecomment-101376020
The best way to use a broadcast variable is to make a transient lazy
singleton.
See the way I suggested for Accumulators in
https://issues.apache.org/jira/browse/SPARK-5206
On Tue, May 12, 2015 at 11:16 AM, Ben Fradet <[email protected]>
wrote:
> @tdas <https://github.com/tdas>
>
> Also, as we were discussing with @harishreedharan
> <https://github.com/harishreedharan>, there is the issue of broadcasting
> the producer config.
>
> Indeed, if we restore our streaming context from a checkpoint with
> getOrCreate we'll get an exception when trying to use the broadcast
> variable as broadcast variables are not checkpointed, this has already
come
> up on the mailing list
>
<http://apache-spark-user-list.1001560.n3.nabble.com/NullPointerException-on-reading-checkpoint-files-td7306.html>
> .
>
> Maybe we should open a separate jira for this as this seems to be a valid
> use case afaic.
>
> â
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/spark/pull/2994#issuecomment-101372599>.
>
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