Github user ConeyLiu commented on the issue:
https://github.com/apache/spark/pull/17859
Hi @srowen, the follow is the test result, the submit script:
`./spark-submit --class org.apache.spark.examples.SparkPi --master yarn
--deploy-mode client --verbose
../examples/target/scala-2.11/jars/spark-examples_2.11-2.2.0-SNAPS
HOT.jar 10`:
before:
```
Parsed arguments:
master yarn
deployMode client
executorMemory 1G
executorCores 1
totalExecutorCores null
propertiesFile null
driverMemory null
driverCores null
driverExtraClassPath null
driverExtraLibraryPath null
driverExtraJavaOptions null
supervise false
queue null
numExecutors null
files null
pyFiles null
archives null
mainClass org.apache.spark.examples.SparkPi
primaryResource
file:/Users/lxy/git_repository/spark/bin/../examples/target/scala-2.11/jars/spark-examples_2.11-2.2.0-SNAPSHOT.jar
name org.apache.spark.examples.SparkPi
childArgs [10]
jars null
packages null
packagesExclusions null
repositories null
verbose true
```
after
```
Parsed arguments:
master yarn
deployMode client
executorMemory 1G
executorCores 1
totalExecutorCores null
propertiesFile null
driverMemory null
driverCores null
driverExtraClassPath null
driverExtraLibraryPath null
driverExtraJavaOptions null
supervise false
queue null
numExecutors 2
files null
pyFiles null
archives null
mainClass org.apache.spark.examples.SparkPi
primaryResource
file:/Users/lxy/git_repository/spark/bin/../examples/target/scala-2.11/jars/spark-examples_2.11-2.2.0-SNAPSHOT.jar
name org.apache.spark.examples.SparkPi
childArgs [10]
jars null
packages null
packagesExclusions null
repositories null
verbose true
```
And also this parameter doesn't affect other `ClusterManager`. You can see
the follow code:
[L458](https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala#L458)
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