Sean Owen commented on SPARK-650:

Sorry, I mean the _status_ doesn't matter. Most issues this old are obsolete or 
de facto won't-fix. Resolving it or not doesn't matter.

I would even say this is 'not a problem', because a simple singleton provides 
once-per-executor execution of whatever you like. It's more complex to make a 
custom mechanism that makes you route this via Spark. That's probably way this 
hasn't proved necessary.

> Add a "setup hook" API for running initialization code on each executor
> -----------------------------------------------------------------------
>                 Key: SPARK-650
>                 URL: https://issues.apache.org/jira/browse/SPARK-650
>             Project: Spark
>          Issue Type: New Feature
>          Components: Spark Core
>            Reporter: Matei Zaharia
>            Priority: Minor
> Would be useful to configure things like reporting libraries

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