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[SPARK-7281] [yarn] Add option to set AM's lib path in client mode. #5813

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[SPARK-7281] [yarn] Add option to set AM's lib path in client mode. #5813

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7 changes: 7 additions & 0 deletions docs/running-on-yarn.md
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Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,13 @@ Most of the configs are the same for Spark on YARN as for other deployment modes
In cluster mode, use spark.driver.extraJavaOptions instead.
</td>
</tr>
<tr>
<td><code>spark.yarn.am.extraLibraryPath</code></td>
<td>(none)</td>
<td>
Set a special library path to use when launching the application master in client mode.
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</tr>
<tr>
<td><code>spark.yarn.maxAppAttempts</code></td>
<td>yarn.resourcemanager.am.max-attempts in YARN</td>
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4 changes: 4 additions & 0 deletions yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
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Expand Up @@ -542,6 +542,10 @@ private[spark] class Client(
}
javaOpts ++= Utils.splitCommandString(opts).map(YarnSparkHadoopUtil.escapeForShell)
}

sparkConf.getOption("spark.yarn.am.extraLibraryPath").foreach { paths =>
prefixEnv = Some(Utils.libraryPathEnvPrefix(Seq(paths)))
}
}

// For log4j configuration to reference
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