diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala b/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
index 3d8373d8175eeabe0de22be4ea2197b88b809420..3b5642b6caa36f304d58bf9b3c12c2bcd257a1c4 100644
--- a/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
@@ -269,6 +269,9 @@ object SparkSubmit {
sysProps.getOrElseUpdate(k, v)
}
+ // Spark properties included on command line take precedence
+ sysProps ++= args.sparkProperties
+
(childArgs, childClasspath, sysProps, childMainClass)
}
diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala b/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
index 57655aa4c32b1f7f432531440732487072b709ab..3ab67a43a3b552fa9154cf404d2a53fb507d7aba 100644
--- a/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
@@ -55,6 +55,7 @@ private[spark] class SparkSubmitArguments(args: Seq[String]) {
var verbose: Boolean = false
var isPython: Boolean = false
var pyFiles: String = null
+ val sparkProperties: HashMap[String, String] = new HashMap[String, String]()
parseOpts(args.toList)
loadDefaults()
@@ -177,6 +178,7 @@ private[spark] class SparkSubmitArguments(args: Seq[String]) {
| executorCores $executorCores
| totalExecutorCores $totalExecutorCores
| propertiesFile $propertiesFile
+ | extraSparkProperties $sparkProperties
| driverMemory $driverMemory
| driverCores $driverCores
| driverExtraClassPath $driverExtraClassPath
@@ -290,6 +292,13 @@ private[spark] class SparkSubmitArguments(args: Seq[String]) {
jars = Utils.resolveURIs(value)
parse(tail)
+ case ("--conf" | "-c") :: value :: tail =>
+ value.split("=", 2).toSeq match {
+ case Seq(k, v) => sparkProperties(k) = v
+ case _ => SparkSubmit.printErrorAndExit(s"Spark config without '=': $value")
+ }
+ parse(tail)
+
case ("--help" | "-h") :: tail =>
printUsageAndExit(0)
@@ -349,6 +358,8 @@ private[spark] class SparkSubmitArguments(args: Seq[String]) {
| on the PYTHONPATH for Python apps.
| --files FILES Comma-separated list of files to be placed in the working
| directory of each executor.
+ |
+ | --conf PROP=VALUE Arbitrary Spark configuration property.
| --properties-file FILE Path to a file from which to load extra properties. If not
| specified, this will look for conf/spark-defaults.conf.
|
diff --git a/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala b/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
index 565c53e9529ff1265e95fbaff8e10fc0ff4a9dd5..f497a5e0a14f0d00c7ae267e4f57db51c4a827a4 100644
--- a/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
+++ b/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
@@ -120,6 +120,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
"--archives", "archive1.txt,archive2.txt",
"--num-executors", "6",
"--name", "beauty",
+ "--conf", "spark.shuffle.spill=false",
"thejar.jar",
"arg1", "arg2")
val appArgs = new SparkSubmitArguments(clArgs)
@@ -139,6 +140,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
mainClass should be ("org.apache.spark.deploy.yarn.Client")
classpath should have length (0)
sysProps("spark.app.name") should be ("beauty")
+ sysProps("spark.shuffle.spill") should be ("false")
sysProps("SPARK_SUBMIT") should be ("true")
}
@@ -156,6 +158,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
"--archives", "archive1.txt,archive2.txt",
"--num-executors", "6",
"--name", "trill",
+ "--conf", "spark.shuffle.spill=false",
"thejar.jar",
"arg1", "arg2")
val appArgs = new SparkSubmitArguments(clArgs)
@@ -176,6 +179,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
sysProps("spark.yarn.dist.archives") should include regex (".*archive1.txt,.*archive2.txt")
sysProps("spark.jars") should include regex (".*one.jar,.*two.jar,.*three.jar,.*thejar.jar")
sysProps("SPARK_SUBMIT") should be ("true")
+ sysProps("spark.shuffle.spill") should be ("false")
}
test("handles standalone cluster mode") {
@@ -186,6 +190,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
"--supervise",
"--driver-memory", "4g",
"--driver-cores", "5",
+ "--conf", "spark.shuffle.spill=false",
"thejar.jar",
"arg1", "arg2")
val appArgs = new SparkSubmitArguments(clArgs)
@@ -195,9 +200,10 @@ class SparkSubmitSuite extends FunSuite with Matchers {
childArgsStr should include regex ("launch spark://h:p .*thejar.jar org.SomeClass arg1 arg2")
mainClass should be ("org.apache.spark.deploy.Client")
classpath should have size (0)
- sysProps should have size (2)
+ sysProps should have size (3)
sysProps.keys should contain ("spark.jars")
sysProps.keys should contain ("SPARK_SUBMIT")
+ sysProps("spark.shuffle.spill") should be ("false")
}
test("handles standalone client mode") {
@@ -208,6 +214,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
"--total-executor-cores", "5",
"--class", "org.SomeClass",
"--driver-memory", "4g",
+ "--conf", "spark.shuffle.spill=false",
"thejar.jar",
"arg1", "arg2")
val appArgs = new SparkSubmitArguments(clArgs)
@@ -218,6 +225,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
classpath(0) should endWith ("thejar.jar")
sysProps("spark.executor.memory") should be ("5g")
sysProps("spark.cores.max") should be ("5")
+ sysProps("spark.shuffle.spill") should be ("false")
}
test("handles mesos client mode") {
@@ -228,6 +236,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
"--total-executor-cores", "5",
"--class", "org.SomeClass",
"--driver-memory", "4g",
+ "--conf", "spark.shuffle.spill=false",
"thejar.jar",
"arg1", "arg2")
val appArgs = new SparkSubmitArguments(clArgs)
@@ -238,6 +247,7 @@ class SparkSubmitSuite extends FunSuite with Matchers {
classpath(0) should endWith ("thejar.jar")
sysProps("spark.executor.memory") should be ("5g")
sysProps("spark.cores.max") should be ("5")
+ sysProps("spark.shuffle.spill") should be ("false")
}
test("launch simple application with spark-submit") {
diff --git a/docs/configuration.md b/docs/configuration.md
index 02af461267c467e46c259d130a020fafa2e5d4a2..cb0c65e2d2200d27d8e2be987ed4c6241f0cb35f 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -42,13 +42,15 @@ val sc = new SparkContext(new SparkConf())
Then, you can supply configuration values at runtime:
{% highlight bash %}
-./bin/spark-submit --name "My fancy app" --master local[4] myApp.jar
+./bin/spark-submit --name "My app" --master local[4] --conf spark.shuffle.spill=false
+ --conf "spark.executor.extraJavaOptions=-XX:+PrintGCDetails -XX:+PrintGCTimeStamps" myApp.jar
{% endhighlight %}
The Spark shell and [`spark-submit`](cluster-overview.html#launching-applications-with-spark-submit)
tool support two ways to load configurations dynamically. The first are command line options,
-such as `--master`, as shown above. Running `./bin/spark-submit --help` will show the entire list
-of options.
+such as `--master`, as shown above. `spark-submit` can accept any Spark property using the `--conf`
+flag, but uses special flags for properties that play a part in launching the Spark application.
+Running `./bin/spark-submit --help` will show the entire list of these options.
`bin/spark-submit` will also read configuration options from `conf/spark-defaults.conf`, in which
each line consists of a key and a value separated by whitespace. For example:
diff --git a/docs/submitting-applications.md b/docs/submitting-applications.md
index e05883072bfa89428956961ce67374f01d9bd66c..45b70b1a5457a323f1b8f7e198d5d69870e4f44a 100644
--- a/docs/submitting-applications.md
+++ b/docs/submitting-applications.md
@@ -33,6 +33,7 @@ dependencies, and can support different cluster managers and deploy modes that S
--class <main-class>
--master <master-url> \
--deploy-mode <deploy-mode> \
+ --conf <key>=<value> \
... # other options
<application-jar> \
[application-arguments]
@@ -43,6 +44,7 @@ Some of the commonly used options are:
* `--class`: The entry point for your application (e.g. `org.apache.spark.examples.SparkPi`)
* `--master`: The [master URL](#master-urls) for the cluster (e.g. `spark://23.195.26.187:7077`)
* `--deploy-mode`: Whether to deploy your driver on the worker nodes (`cluster`) or locally as an external client (`client`) (default: `client`)*
+* `--conf`: Arbitrary Spark configuration property in key=value format. For values that contain spaces wrap "key=value" in quotes (as shown).
* `application-jar`: Path to a bundled jar including your application and all dependencies. The URL must be globally visible inside of your cluster, for instance, an `hdfs://` path or a `file://` path that is present on all nodes.
* `application-arguments`: Arguments passed to the main method of your main class, if any