Sean Owen commented on SPARK-650:

If you need init to happen ASAP when the driver starts, isn't any similar 
mechanism going to be about the same in this regard? This cost is paid just 
once, and I don't think in general startup is very low latency for any Spark 

> 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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