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https://issues.apache.org/jira/browse/SPARK-5368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14375163#comment-14375163
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jay vyas edited comment on SPARK-5368 at 3/24/15 1:59 AM:
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Okay, to close.... *optionally* with the close someone could PR an update to 
spark {{docs/configuration.md}} as part of closing, to clarify how the 
SPARK_LOCAL_HOSTNAME (edit) changes akka's behavior, so that the context  is 
clarified...


was (Author: jayunit100):
Okay, to close.... *optionally* with the close someone could PR an update to 
spark {{docs/configuration.md}} as part of closing, to clarify how the 
{{LOCAL_IP}} changes akka's behavior, so that the context  is clarified...

> Spark should  support NAT (via akka improvements)
> -------------------------------------------------
>
>                 Key: SPARK-5368
>                 URL: https://issues.apache.org/jira/browse/SPARK-5368
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 1.2.0
>            Reporter: jay vyas
>             Fix For: 1.2.2
>
>
> Spark sets up actors for akka with a set of variables which are defined in 
> the {{AkkaUtils.scala}} class.  
> A snippet:
> {noformat}
>  98       |akka.loggers = [""akka.event.slf4j.Slf4jLogger""]
>  99       |akka.stdout-loglevel = "ERROR"
> 100       |akka.jvm-exit-on-fatal-error = off
> 101       |akka.remote.require-cookie = "$requireCookie"
> 102       |akka.remote.secure-cookie = "$secureCookie"
> {noformat}
> We should allow users to pass in custom settings, for example, so that 
> arbitrary akka modifications can be used at runtime for security, 
> performance, logging, and so on.



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