[GitHub] [spark] tgravescs commented on a diff in pull request #35683: [SPARK-30835][SPARK-39018][CORE][YARN] Add support for YARN decommissioning when ESS is disabled

[GitBox <gi...@apache.org>]

tgravescs commented on code in PR #35683:
URL: https://github.com/apache/spark/pull/35683#discussion_r899195017


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resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocator.scala:
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@@ -422,6 +446,22 @@ private[yarn] class YarnAllocator(
     }
   }
 
+  private def handleNodesInDecommissioningState(allocateResponse: AllocateResponse): Unit = {
+    // Some of the nodes are put in decommissioning state where RM did allocate
+    // resources on those nodes for earlier allocateResource calls, so notifying driver
+    // to put those executors in decommissioning state
+    allocateResponse.getUpdatedNodes.asScala.filter (node =>
+      node.getNodeState == NodeState.DECOMMISSIONING &&

Review Comment:
   So I'm seeing this break the the hadoop-2.7 profile build.  NodeState.DECOMMISSIONING was added in hadoop 2.8 https://issues.apache.org/jira/browse/YARN-41
   @abhishekd0907 @mridulm 



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