Merge branch 'master' of github.com:apache/spark into configure-ports

Conflicts:
	docs/spark-standalone.md

core/src/main/scala/org/apache/spark/SecurityManager.scala

@@ -41,10 +41,19 @@ import org.apache.spark.deploy.SparkHadoopUtil
  * secure the UI if it has data that other users should not be allowed to see. The javax
  * servlet filter specified by the user can authenticate the user and then once the user
  * is logged in, Spark can compare that user versus the view acls to make sure they are
- * authorized to view the UI. The configs 'spark.ui.acls.enable' and 'spark.ui.view.acls'
+ * authorized to view the UI. The configs 'spark.acls.enable' and 'spark.ui.view.acls'
  * control the behavior of the acls. Note that the person who started the application
  * always has view access to the UI.
  *
+ * Spark has a set of modify acls (`spark.modify.acls`) that controls which users have permission
+ * to  modify a single application. This would include things like killing the application. By
+ * default the person who started the application has modify access. For modify access through
+ * the UI, you must have a filter that does authentication in place for the modify acls to work
+ * properly.
+ *
+ * Spark also has a set of admin acls (`spark.admin.acls`) which is a set of users/administrators
+ * who always have permission to view or modify the Spark application.
+ *
  * Spark does not currently support encryption after authentication.
  *
  * At this point spark has multiple communication protocols that need to be secured and
@@ -137,18 +146,32 @@ private[spark] class SecurityManager(sparkConf: SparkConf) extends Logging {
   private val sparkSecretLookupKey = "sparkCookie"
 
   private val authOn = sparkConf.getBoolean("spark.authenticate", false)
-  private var uiAclsOn = sparkConf.getBoolean("spark.ui.acls.enable", false)
+  // keep spark.ui.acls.enable for backwards compatibility with 1.0
+  private var aclsOn = sparkConf.getOption("spark.acls.enable").getOrElse(
+    sparkConf.get("spark.ui.acls.enable", "false")).toBoolean
+
+  // admin acls should be set before view or modify acls
+  private var adminAcls: Set[String] =
+    stringToSet(sparkConf.get("spark.admin.acls", ""))
 
   private var viewAcls: Set[String] = _
+
+  // list of users who have permission to modify the application. This should
+  // apply to both UI and CLI for things like killing the application.
+  private var modifyAcls: Set[String] = _
+
   // always add the current user and SPARK_USER to the viewAcls
-  private val defaultAclUsers = Seq[String](System.getProperty("user.name", ""),
+  private val defaultAclUsers = Set[String](System.getProperty("user.name", ""),
     Option(System.getenv("SPARK_USER")).getOrElse(""))
+
   setViewAcls(defaultAclUsers, sparkConf.get("spark.ui.view.acls", ""))
+  setModifyAcls(defaultAclUsers, sparkConf.get("spark.modify.acls", ""))
 
   private val secretKey = generateSecretKey()
   logInfo("SecurityManager: authentication " + (if (authOn) "enabled" else "disabled") +
-    "; ui acls " + (if (uiAclsOn) "enabled" else "disabled") +
-    "; users with view permissions: " + viewAcls.toString())
+    "; ui acls " + (if (aclsOn) "enabled" else "disabled") +
+    "; users with view permissions: " + viewAcls.toString() +
+    "; users with modify permissions: " + modifyAcls.toString())
 
   // Set our own authenticator to properly negotiate user/password for HTTP connections.
   // This is needed by the HTTP client fetching from the HttpServer. Put here so its
@@ -169,18 +192,51 @@ private[spark] class SecurityManager(sparkConf: SparkConf) extends Logging {
     )
   }
 
-  private[spark] def setViewAcls(defaultUsers: Seq[String], allowedUsers: String) {
-    viewAcls = (defaultUsers ++ allowedUsers.split(',')).map(_.trim()).filter(!_.isEmpty).toSet 
+  /**
+   * Split a comma separated String, filter out any empty items, and return a Set of strings
+   */
+  private def stringToSet(list: String): Set[String] = {
+    list.split(',').map(_.trim).filter(!_.isEmpty).toSet
+  }
+
+  /**
+   * Admin acls should be set before the view or modify acls.  If you modify the admin
+   * acls you should also set the view and modify acls again to pick up the changes.
+   */
+  def setViewAcls(defaultUsers: Set[String], allowedUsers: String) {
+    viewAcls = (adminAcls ++ defaultUsers ++ stringToSet(allowedUsers))
     logInfo("Changing view acls to: " + viewAcls.mkString(","))
   }
 
-  private[spark] def setViewAcls(defaultUser: String, allowedUsers: String) {
-    setViewAcls(Seq[String](defaultUser), allowedUsers)
+  def setViewAcls(defaultUser: String, allowedUsers: String) {
+    setViewAcls(Set[String](defaultUser), allowedUsers)
+  }
+
+  def getViewAcls: String = viewAcls.mkString(",")
+
+  /**
+   * Admin acls should be set before the view or modify acls.  If you modify the admin
+   * acls you should also set the view and modify acls again to pick up the changes.
+   */
+  def setModifyAcls(defaultUsers: Set[String], allowedUsers: String) {
+    modifyAcls = (adminAcls ++ defaultUsers ++ stringToSet(allowedUsers))
+    logInfo("Changing modify acls to: " + modifyAcls.mkString(","))
+  }
+
+  def getModifyAcls: String = modifyAcls.mkString(",")
+
+  /**
+   * Admin acls should be set before the view or modify acls.  If you modify the admin
+   * acls you should also set the view and modify acls again to pick up the changes.
+   */
+  def setAdminAcls(adminUsers: String) {
+    adminAcls = stringToSet(adminUsers)
+    logInfo("Changing admin acls to: " + adminAcls.mkString(","))
   }
 
-  private[spark] def setUIAcls(aclSetting: Boolean) { 
-    uiAclsOn = aclSetting 
-    logInfo("Changing acls enabled to: " + uiAclsOn)
+  def setAcls(aclSetting: Boolean) {
+    aclsOn = aclSetting
+    logInfo("Changing acls enabled to: " + aclsOn)
   }
 
   /**
@@ -224,22 +280,39 @@ private[spark] class SecurityManager(sparkConf: SparkConf) extends Logging {
    * Check to see if Acls for the UI are enabled
    * @return true if UI authentication is enabled, otherwise false
    */
-  def uiAclsEnabled(): Boolean = uiAclsOn
+  def aclsEnabled(): Boolean = aclsOn
 
   /**
    * Checks the given user against the view acl list to see if they have
-   * authorization to view the UI. If the UI acls must are disabled
-   * via spark.ui.acls.enable, all users have view access.
+   * authorization to view the UI. If the UI acls are disabled
+   * via spark.acls.enable, all users have view access. If the user is null
+   * it is assumed authentication is off and all users have access.
    *
    * @param user to see if is authorized
    * @return true is the user has permission, otherwise false
    */
   def checkUIViewPermissions(user: String): Boolean = {
-    logDebug("user=" + user + " uiAclsEnabled=" + uiAclsEnabled() + " viewAcls=" + 
+    logDebug("user=" + user + " aclsEnabled=" + aclsEnabled() + " viewAcls=" +
       viewAcls.mkString(","))
-    if (uiAclsEnabled() && (user != null) && (!viewAcls.contains(user))) false else true
+    if (aclsEnabled() && (user != null) && (!viewAcls.contains(user))) false else true
   }
 
+  /**
+   * Checks the given user against the modify acl list to see if they have
+   * authorization to modify the application. If the UI acls are disabled
+   * via spark.acls.enable, all users have modify access. If the user is null
+   * it is assumed authentication isn't turned on and all users have access.
+   *
+   * @param user to see if is authorized
+   * @return true is the user has permission, otherwise false
+   */
+  def checkModifyPermissions(user: String): Boolean = {
+    logDebug("user=" + user + " aclsEnabled=" + aclsEnabled() + " modifyAcls=" +
+      modifyAcls.mkString(","))
+    if (aclsEnabled() && (user != null) && (!modifyAcls.contains(user))) false else true
+  }
+
+
   /**
    * Check to see if authentication for the Spark communication protocols is enabled
    * @return true if authentication is enabled, otherwise false

core/src/main/scala/org/apache/spark/SparkConf.scala

@@ -238,6 +238,20 @@ class SparkConf(loadDefaults: Boolean) extends Cloneable with Logging {
       }
     }
 
+    // Validate memory fractions
+    val memoryKeys = Seq(
+      "spark.storage.memoryFraction",
+      "spark.shuffle.memoryFraction", 
+      "spark.shuffle.safetyFraction",
+      "spark.storage.unrollFraction",
+      "spark.storage.safetyFraction")
+    for (key <- memoryKeys) {
+      val value = getDouble(key, 0.5)
+      if (value > 1 || value < 0) {
+        throw new IllegalArgumentException("$key should be between 0 and 1 (was '$value').")
+      }
+    }
+
     // Check for legacy configs
     sys.env.get("SPARK_JAVA_OPTS").foreach { value =>
       val warning =

core/src/main/scala/org/apache/spark/SparkEnv.scala

@@ -34,7 +34,7 @@ import org.apache.spark.metrics.MetricsSystem
 import org.apache.spark.network.ConnectionManager
 import org.apache.spark.scheduler.LiveListenerBus
 import org.apache.spark.serializer.Serializer
-import org.apache.spark.shuffle.ShuffleManager
+import org.apache.spark.shuffle.{ShuffleMemoryManager, ShuffleManager}
 import org.apache.spark.storage._
 import org.apache.spark.util.{AkkaUtils, Utils}
 
@@ -65,12 +65,9 @@ class SparkEnv (
     val httpFileServer: HttpFileServer,
     val sparkFilesDir: String,
     val metricsSystem: MetricsSystem,
+    val shuffleMemoryManager: ShuffleMemoryManager,
     val conf: SparkConf) extends Logging {
 
-  // A mapping of thread ID to amount of memory, in bytes, used for shuffle aggregations
-  // All accesses should be manually synchronized
-  val shuffleMemoryMap = mutable.HashMap[Long, Long]()
-
   private val pythonWorkers = mutable.HashMap[(String, Map[String, String]), PythonWorkerFactory]()
 
   // A general, soft-reference map for metadata needed during HadoopRDD split computation
@@ -252,6 +249,8 @@ object SparkEnv extends Logging {
     val shuffleManager = instantiateClass[ShuffleManager](
       "spark.shuffle.manager", "org.apache.spark.shuffle.hash.HashShuffleManager")
 
+    val shuffleMemoryManager = new ShuffleMemoryManager(conf)
+
     // Warn about deprecated spark.cache.class property
     if (conf.contains("spark.cache.class")) {
       logWarning("The spark.cache.class property is no longer being used! Specify storage " +
@@ -273,6 +272,7 @@ object SparkEnv extends Logging {
       httpFileServer,
       sparkFilesDir,
       metricsSystem,
+      shuffleMemoryManager,
       conf)
   }
 

core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala

@@ -189,7 +189,9 @@ private[history] class FsHistoryProvider(conf: SparkConf) extends ApplicationHis
 
     if (ui != null) {
       val uiAclsEnabled = conf.getBoolean("spark.history.ui.acls.enable", false)
-      ui.getSecurityManager.setUIAcls(uiAclsEnabled)
+      ui.getSecurityManager.setAcls(uiAclsEnabled)
+      // make sure to set admin acls before view acls so properly picked up
+      ui.getSecurityManager.setAdminAcls(appListener.adminAcls)
       ui.getSecurityManager.setViewAcls(appListener.sparkUser, appListener.viewAcls)
     }
     (appInfo, ui)

core/src/main/scala/org/apache/spark/deploy/master/MasterArguments.scala

@@ -38,8 +38,8 @@ private[spark] class MasterArguments(args: Array[String], conf: SparkConf) {
   if (System.getenv("SPARK_MASTER_WEBUI_PORT") != null) {
     webUiPort = System.getenv("SPARK_MASTER_WEBUI_PORT").toInt
   }
-  if (conf.contains("master.ui.port")) {
-    webUiPort = conf.get("master.ui.port").toInt
+  if (conf.contains("spark.master.ui.port")) {
+    webUiPort = conf.get("spark.master.ui.port").toInt
   }
 
   parse(args.toList)

core/src/main/scala/org/apache/spark/deploy/worker/ui/WorkerWebUI.scala

@@ -59,6 +59,6 @@ private[spark] object WorkerWebUI {
   val STATIC_RESOURCE_BASE = SparkUI.STATIC_RESOURCE_DIR
 
   def getUIPort(requestedPort: Option[Int], conf: SparkConf): Int = {
-    requestedPort.getOrElse(conf.getInt("worker.ui.port", WorkerWebUI.DEFAULT_PORT))
+    requestedPort.getOrElse(conf.getInt("spark.worker.ui.port", WorkerWebUI.DEFAULT_PORT))
   }
 }

core/src/main/scala/org/apache/spark/executor/Executor.scala

@@ -277,10 +277,7 @@ private[spark] class Executor(
         }
       } finally {
         // Release memory used by this thread for shuffles
-        val shuffleMemoryMap = env.shuffleMemoryMap
-        shuffleMemoryMap.synchronized {
-          shuffleMemoryMap.remove(Thread.currentThread().getId)
-        }
+        env.shuffleMemoryManager.releaseMemoryForThisThread()
         // Release memory used by this thread for unrolling blocks
         env.blockManager.memoryStore.releaseUnrollMemoryForThisThread()
         runningTasks.remove(taskId)

core/src/main/scala/org/apache/spark/scheduler/ApplicationEventListener.scala

@@ -29,7 +29,7 @@ private[spark] class ApplicationEventListener extends SparkListener {
   var startTime = -1L
   var endTime = -1L
   var viewAcls = ""
-  var enableViewAcls = false
+  var adminAcls = ""
 
   def applicationStarted = startTime != -1
 
@@ -55,7 +55,7 @@ private[spark] class ApplicationEventListener extends SparkListener {
       val environmentDetails = environmentUpdate.environmentDetails
       val allProperties = environmentDetails("Spark Properties").toMap
       viewAcls = allProperties.getOrElse("spark.ui.view.acls", "")
-      enableViewAcls = allProperties.getOrElse("spark.ui.acls.enable", "false").toBoolean
+      adminAcls = allProperties.getOrElse("spark.admin.acls", "")
     }
   }
 }

core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala

@@ -47,7 +47,9 @@ class KryoSerializer(conf: SparkConf)
   with Logging
   with Serializable {
 
-  private val bufferSize = conf.getInt("spark.kryoserializer.buffer.mb", 2) * 1024 * 1024
+  private val bufferSize =
+    (conf.getDouble("spark.kryoserializer.buffer.mb", 0.064) * 1024 * 1024).toInt
+
   private val maxBufferSize = conf.getInt("spark.kryoserializer.buffer.max.mb", 64) * 1024 * 1024
   private val referenceTracking = conf.getBoolean("spark.kryo.referenceTracking", true)
   private val registrationRequired = conf.getBoolean("spark.kryo.registrationRequired", false)