[GitHub] [hadoop] fengnanli commented on a change in pull request #2639: HDFS-15785. Datanode to support using DNS to resolve nameservices to IP addresses to get list of namenodes.

fengnanli commented on a change in pull request #2639: URL: https://github.com/apache/hadoop/pull/2639#discussion_r574117112 ## File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java ## @@ -647,6 +634,58 @@ public static String addKeySuffi

[GitHub] [hadoop] fengnanli commented on a change in pull request #2639: HDFS-15785. Datanode to support using DNS to resolve nameservices to IP addresses to get list of namenodes.

fengnanli commented on a change in pull request #2639: URL: https://github.com/apache/hadoop/pull/2639#discussion_r572411463 ## File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java ## @@ -1557,6 +1557,17 @@ public static final d