[GitHub] [hadoop-ozone] hanishakoneru commented on a change in pull request #749: HDDS-3322. StandAlone Pipelines are created in an infinite loop

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hanishakoneru commented on a change in pull request #749: HDDS-3322. StandAlone Pipelines are created in an infinite loop
URL: https://github.com/apache/hadoop-ozone/pull/749#discussion_r409672521
 
 

 ##########
 File path: hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/SimplePipelineProvider.java
 ##########
 @@ -32,18 +31,18 @@
 /**
  * Implements Api for creating stand alone pipelines.
  */
-public class SimplePipelineProvider implements PipelineProvider {
+public class SimplePipelineProvider extends PipelineProvider {
 
-  private final NodeManager nodeManager;
-
-  public SimplePipelineProvider(NodeManager nodeManager) {
-    this.nodeManager = nodeManager;
+  public SimplePipelineProvider(NodeManager nodeManager,
+      PipelineStateManager stateManager) {
+    super(nodeManager, stateManager);
   }
 
   @Override
   public Pipeline create(ReplicationFactor factor) throws IOException {
-    List<DatanodeDetails> dns =
-        nodeManager.getNodes(NodeState.HEALTHY);
+    List<DatanodeDetails> dns = pickNodesNeverUsed(ReplicationType.STAND_ALONE,
 
 Review comment:
   Updated to create only factor ONE pipelines for StandAlone type.

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