jiangxb1987 commented on a change in pull request #28688:
URL: https://github.com/apache/spark/pull/28688#discussion_r433040513
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File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
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@@ -171,8 +171,14 @@ private[spark] class Client(
yarnClient.init(hadoopConf)
yarnClient.start()
- logInfo("Requesting a new application from cluster with %d NodeManagers"
- .format(yarnClient.getYarnClusterMetrics.getNumNodeManagers))
+ try {
+ logInfo(s"Requesting a new application from cluster" +
+ s" ${hadoopConf.get(YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS)}" +
+ s" with %d
NodeManagers.".format(yarnClient.getYarnClusterMetrics.getNumNodeManagers))
+ } catch {
+ case NonFatal(e) =>
+ logWarning(s"Yarn client may not implement the given API $e")
Review comment:
Maybe print a more general warning, like "Error requesting YARN cluster
information: $e"
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