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https://issues.apache.org/jira/browse/SPARK-10149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-10149:
------------------------------------
Assignee: (was: Apache Spark)
> Locality Level is ANY on "Details for Stage" WebUI page
> -------------------------------------------------------
>
> Key: SPARK-10149
> URL: https://issues.apache.org/jira/browse/SPARK-10149
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, Web UI
> Affects Versions: 1.4.1
> Reporter: Yun Zhao
>
> Locality Level is ANY on "Details for Stage" WebUI page
> When a sc.textFile(XX) program is running, Locality Level is ANY which should
> be NODE_LOCAL on stage 0.
> org.apache.spark.scheduler.TaskSetManager
> {quote}
> // Check for node-local tasks
> if (TaskLocality.isAllowed(locality, TaskLocality.NODE_LOCAL)) {
> for (index <- speculatableTasks if canRunOnHost(index)) {
> val locations = tasks(index).preferredLocations.map(_.host)
> if (locations.contains(host)) {
> speculatableTasks -= index
> return Some((index, TaskLocality.NODE_LOCAL))
> }
> }
> }
> {quote}
> The variable "locations" is hostname of HDFS split, which is from
> InetAddress.getHostName.
> The variable "host" is ip of Executor, which is from
> InetAddress.getLocalHost.getHostAddress.
> org.apache.spark.deploy.worker.WorkerArguments
> {quote}
> var host = Utils.localHostName()
> {quote}
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