Github user CodingCat commented on a diff in the pull request:
https://github.com/apache/spark/pull/8533#discussion_r38915025
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskLocation.scala
---
@@ -35,16 +37,26 @@ case class ExecutorCacheTaskLocation(override val host:
String, executorId: Stri
/**
* A location on a host.
+ * The host names will be resolved to IP address in case
SPARK_LOCAL_HOSTNAME is unset
*/
private [spark] case class HostTaskLocation(override val host: String)
extends TaskLocation {
- override def toString: String = host
+ override def toString: String = if ( sys.env.get("SPARK_LOCAL_HOSTNAME")
== None ) {
+ InetAddress.getByName(host).getHostAddress
+ } else {
+ host
+ }
}
/**
* A location on a host that is cached by HDFS.
+ * The host names will be resolved to IP address in case
SPARK_LOCAL_HOSTNAME is unset
*/
private [spark] case class HDFSCacheTaskLocation(override val host:
String) extends TaskLocation {
- override def toString: String = TaskLocation.inMemoryLocationTag + host
+ override def toString: String = if ( sys.env.get("SPARK_LOCAL_HOSTNAME")
== None ) {
--- End diff --
would you like to move 'sys.env.get("SPARK_LOCAL_HOSTNAME")' to `object
TaskLocation`?
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