timmylicheng commented on a change in pull request #291: HDDS-1574 Average out 
pipeline allocation on datanodes and add metrcs/test
URL: https://github.com/apache/hadoop-ozone/pull/291#discussion_r354284810
 
 

 ##########
 File path: 
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/RatisPipelineProvider.java
 ##########
 @@ -197,12 +196,17 @@ public Pipeline create(ReplicationFactor factor) throws 
IOException {
   @Override
   public Pipeline create(ReplicationFactor factor,
                          List<DatanodeDetails> nodes) {
+    int nodeIdHash = 0;
+    if (factor == ReplicationFactor.THREE) {
+      nodeIdHash = 
RatisPipelineUtils.encodeNodeIdsOfFactorThreePipeline(nodes);
+    }
 
 Review comment:
   The method is refactored in recent master. Update to accommodate.

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