dongjoon-hyun commented on a change in pull request #24935:
[SPARK-28005][SCHEDULER] Remove unnecessary log from SparkRackResolver
URL: https://github.com/apache/spark/pull/24935#discussion_r296343216
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File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/SparkRackResolver.scala
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@@ -72,8 +72,6 @@ private[spark] class SparkRackResolver(conf: Configuration)
extends Logging {
val rNameList = dnsToSwitchMapping.resolve(hostNames.toList.asJava).asScala
if (rNameList == null || rNameList.isEmpty) {
hostNames.foreach(nodes += new NodeBase(_, NetworkTopology.DEFAULT_RACK))
- logInfo(s"Got an error when resolving hostNames. " +
Review comment:
Good log is also essential. Could you lower this to `logDebug` instead of
removing?
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