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[SPARK-17964][SparkR] Enable SparkR with Mesos client mode and cluster mode #15700

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[SPARK-17964][SparkR] Enable SparkR with Mesos client mode and cluster mode #15700

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4a8b074
Enabled SparkR on Mesos. RPackages from R source is not yet supported.
susanxhuynh Oct 31, 2016
11b6568
Removed a comment.
susanxhuynh Nov 2, 2016
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1 change: 0 additions & 1 deletion core/src/main/scala/org/apache/spark/api/r/RUtils.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,6 @@ private[spark] object RUtils {
}
} else {
// Otherwise, assume the package is local
// TODO: support this for Mesos
val sparkRPkgPath = localSparkRPackagePath.getOrElse {
throw new SparkException("SPARK_HOME not set. Can't locate SparkR package.")
}
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14 changes: 7 additions & 7 deletions core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
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Expand Up @@ -320,17 +320,14 @@ object SparkSubmit {
}

// Require all R files to be local
if (args.isR && !isYarnCluster) {
if (args.isR && !isYarnCluster && !isMesosCluster) {
if (Utils.nonLocalPaths(args.primaryResource).nonEmpty) {
printErrorAndExit(s"Only local R files are supported: $args.primaryResource")
}
}

// The following modes are not supported or applicable
(clusterManager, deployMode) match {
case (MESOS, CLUSTER) if args.isR =>
printErrorAndExit("Cluster deploy mode is currently not supported for R " +
"applications on Mesos clusters.")
case (STANDALONE, CLUSTER) if args.isPython =>
printErrorAndExit("Cluster deploy mode is currently not supported for python " +
"applications on standalone clusters.")
Expand Down Expand Up @@ -408,9 +405,9 @@ object SparkSubmit {
printErrorAndExit("Distributing R packages with standalone cluster is not supported.")
}

// TODO: Support SparkR with mesos cluster
if (args.isR && clusterManager == MESOS) {
printErrorAndExit("SparkR is not supported for Mesos cluster.")
// TODO: Support distributing R packages with mesos cluster
if (args.isR && clusterManager == MESOS && !RUtils.rPackages.isEmpty) {
printErrorAndExit("Distributing R packages with mesos cluster is not supported.")
}

// If we're running an R app, set the main class to our specific R runner
Expand Down Expand Up @@ -596,6 +593,9 @@ object SparkSubmit {
if (args.pyFiles != null) {
sysProps("spark.submit.pyFiles") = args.pyFiles
}
} else if (args.isR) {
// Second argument is main class
childArgs += (args.primaryResource, "")
} else {
childArgs += (args.primaryResource, args.mainClass)
}
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