Github user srowen commented on a diff in the pull request:

    https://github.com/apache/spark/pull/14969#discussion_r78358994
  
    --- Diff: core/src/main/scala/org/apache/spark/ui/exec/ExecutorsTab.scala 
---
    @@ -38,47 +37,68 @@ private[ui] class ExecutorsTab(parent: SparkUI) extends 
SparkUITab(parent, "exec
       }
     }
     
    +private[ui] case class ExecutorTaskSummary(
    +    var executorId: String,
    +    var totalCores: Int = 0,
    +    var tasksMax: Int = 0,
    +    var tasksActive: Int = 0,
    +    var tasksFailed: Int = 0,
    +    var tasksComplete: Int = 0,
    +    var duration: Long = 0L,
    +    var jvmGCTime: Long = 0L,
    +    var inputBytes: Long = 0L,
    +    var inputRecords: Long = 0L,
    +    var outputBytes: Long = 0L,
    +    var outputRecords: Long = 0L,
    +    var shuffleRead: Long = 0L,
    +    var shuffleWrite: Long = 0L,
    +    var executorLogs: Map[String, String] = Map.empty,
    +    var isAlive: Boolean = true
    +)
    +
     /**
      * :: DeveloperApi ::
      * A SparkListener that prepares information to be displayed on the 
ExecutorsTab
      */
     @DeveloperApi
     class ExecutorsListener(storageStatusListener: StorageStatusListener, 
conf: SparkConf)
         extends SparkListener {
    -  val executorToTotalCores = HashMap[String, Int]()
    -  val executorToTasksMax = HashMap[String, Int]()
    -  val executorToTasksActive = HashMap[String, Int]()
    -  val executorToTasksComplete = HashMap[String, Int]()
    -  val executorToTasksFailed = HashMap[String, Int]()
    -  val executorToDuration = HashMap[String, Long]()
    -  val executorToJvmGCTime = HashMap[String, Long]()
    -  val executorToInputBytes = HashMap[String, Long]()
    -  val executorToInputRecords = HashMap[String, Long]()
    -  val executorToOutputBytes = HashMap[String, Long]()
    -  val executorToOutputRecords = HashMap[String, Long]()
    -  val executorToShuffleRead = HashMap[String, Long]()
    -  val executorToShuffleWrite = HashMap[String, Long]()
    -  val executorToLogUrls = HashMap[String, Map[String, String]]()
    -  val executorIdToData = HashMap[String, ExecutorUIData]()
    +  var executorToTaskSummary = LinkedHashMap[String, ExecutorTaskSummary]()
    +  var executorEvents = new ListBuffer[SparkListenerEvent]()
    +
    +  private val maxTimelineExecutors = 
conf.getInt("spark.ui.timeline.executors.maximum", 1000)
    +  private val retainedDeadExecutors = 
conf.getInt("spark.ui.retainedDeadExecutors", 100)
    +  private var deadExecutorCount = 0
    --- End diff --
    
    No, I'm not suggesting you change the functionality. I'm saying you don't 
need to separately track the number of dead executors, I believe. It would be 
less error prone if so. Is it not always true that 
`executorToTaskSummary.filter(e => !e._2.isAlive).size == deadExecutorCount`?


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org

Reply via email to