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https://issues.apache.org/jira/browse/SPARK-5368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14290057#comment-14290057
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Timothy St. Clair commented on SPARK-5368:
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akka 2.4 apparently has NAT support, which helps when running docker in
container environments:
https://groups.google.com/forum/#!topic/akka-user/9RQdf2NjciE
> 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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