xiaoyuyao commented on a change in pull request #1194: HDDS-1879. Support
multiple excluded scopes when choosing datanodes in NetworkTopology
URL: https://github.com/apache/hadoop/pull/1194#discussion_r319605573
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File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/net/InnerNodeImpl.java
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@@ -313,12 +314,12 @@ public Node getLeaf(int leafIndex) {
* means picking the 3th available node, which is n5.
Review comment:
It is not related to the current change. But the example in the comments
need further clarification. E.g., n5 is under /dc2 which is in excludedScope.
Maybe you want to put n5 under /root/dc1/rack2? instead of /root/dc2/rack1?
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