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From harishreedharan <>
Subject [GitHub] spark pull request: [SPARK-5342][YARN] Allow long running Spark ap...
Date Sat, 07 Mar 2015 00:01:10 GMT
Github user harishreedharan commented on a diff in the pull request:
    --- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala ---
    @@ -82,6 +100,179 @@ class YarnSparkHadoopUtil extends SparkHadoopUtil {
         if (credentials != null) credentials.getSecretKey(new Text(key)) else null
    +  private[spark] override def scheduleLoginFromKeytab(): Unit = {
    +    sparkConf.getOption("spark.yarn.principal").foreach { principal =>
    +      val keytab = sparkConf.get("spark.yarn.keytab")
    +      val delegationTokenRenewerRunnable =
    --- End diff --
    The reason it is not stashed away in a lazy is because the principal and keytab would
need to be instance vars if we did. By doing this, I can avoid that.

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