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https://issues.apache.org/jira/browse/SPARK-2299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-2299.
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Resolution: Fixed
Fix Version/s: 1.1.0
> Consolidate various stageIdTo* hash maps
> ----------------------------------------
>
> Key: SPARK-2299
> URL: https://issues.apache.org/jira/browse/SPARK-2299
> Project: Spark
> Issue Type: Improvement
> Components: Web UI
> Affects Versions: 1.0.0
> Reporter: Reynold Xin
> Assignee: Reynold Xin
> Fix For: 1.1.0
>
>
> In JobProgressListener:
> {code}
> val stageIdToTime = HashMap[Int, Long]()
> val stageIdToShuffleRead = HashMap[Int, Long]()
> val stageIdToShuffleWrite = HashMap[Int, Long]()
> val stageIdToMemoryBytesSpilled = HashMap[Int, Long]()
> val stageIdToDiskBytesSpilled = HashMap[Int, Long]()
> val stageIdToTasksActive = HashMap[Int, HashMap[Long, TaskInfo]]()
> val stageIdToTasksComplete = HashMap[Int, Int]()
> val stageIdToTasksFailed = HashMap[Int, Int]()
> val stageIdToTaskData = HashMap[Int, HashMap[Long, TaskUIData]]()
> val stageIdToExecutorSummaries = HashMap[Int, HashMap[String,
> ExecutorSummary]]()
> val stageIdToPool = HashMap[Int, String]()
> val stageIdToDescription = HashMap[Int, String]()
> {code}
> We should consolidate them to reduce memory & be less error prone.
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