Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/4729#discussion_r143958924 --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/YarnResourceManager.java --- @@ -227,13 +241,19 @@ public void startNewWorker(ResourceProfile resourceProfile) { } @Override - public void stopWorker(ResourceID resourceID) { - // TODO: Implement to stop the worker + public void stopWorker(YarnWorkerNode workerNode) { + workerNodeMap.remove(workerNode.getResourceID().toString()); + if (workerNode != null) { + log.info("Stopping container {}.", workerNode.getYarnContainer().getId().toString()); + resourceManagerClient.releaseAssignedContainer(workerNode.getYarnContainer().getId()); --- End diff -- I think we should also call `nodeManagerClient.stopContainer()` before.
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