Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/4729#discussion_r148808279 --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/YarnResourceManager.java --- @@ -227,14 +241,27 @@ public void startNewWorker(ResourceProfile resourceProfile) { } @Override - public boolean stopWorker(ResourceID resourceID) { - // TODO: Implement to stop the worker - return false; + public boolean stopWorker(YarnWorkerNode workerNode) { + workerNodeMap.remove(workerNode.getResourceID().toString()); + if (workerNode != null) { --- End diff -- I think this should be checked first.
---