== [[Utils]] Utils Helper Object

Utils is a Scala object that...FIXME

=== [[getLocalDir]] getLocalDir Method

[source, scala]¶

getLocalDir(conf: SparkConf): String¶

getLocalDir...FIXME

[NOTE]¶

getLocalDir is used when:

• Utils is requested to <>

• SparkEnv is core:SparkEnv.md#create[created] (on the driver)

• spark-shell.md[spark-shell] is launched

• Spark on YARN's Client is requested to spark-yarn-client.md#prepareLocalResources[prepareLocalResources] and spark-yarn-client.md#createConfArchive[create ++spark_conf.zip++ archive with configuration files and Spark configuration]

• PySpark's PythonBroadcast is requested to readObject

* PySpark's EvalPythonExec is requested to doExecute¶

=== [[fetchFile]] fetchFile Method

[source, scala]¶

fetchFile( url: String, targetDir: File, conf: SparkConf, securityMgr: SecurityManager, hadoopConf: Configuration, timestamp: Long, useCache: Boolean): File

fetchFile...FIXME

[NOTE]¶

fetchFile is used when:

• SparkContext is requested to ROOT:SparkContext.md#addFile[addFile]

• Executor is requested to executor:Executor.md#updateDependencies[updateDependencies]

* Spark Standalone's DriverRunner is requested to downloadUserJar¶

=== [[getOrCreateLocalRootDirsImpl]] getOrCreateLocalRootDirsImpl Internal Method

[source, scala]¶

getOrCreateLocalRootDirsImpl(conf: SparkConf): Array[String]¶

getOrCreateLocalRootDirsImpl...FIXME

NOTE: getOrCreateLocalRootDirsImpl is used exclusively when Utils is requested to <>

=== [[getOrCreateLocalRootDirs]] getOrCreateLocalRootDirs Internal Method

[source, scala]¶

getOrCreateLocalRootDirs(conf: SparkConf): Array[String]¶

getOrCreateLocalRootDirs...FIXME

[NOTE]¶

getOrCreateLocalRootDirs is used when:

• Utils is requested to <>

* Worker is requested to spark-standalone-worker.md#receive[handle a LaunchExecutor message]¶